Home / 1,008,041.35-1,512,062.03-260,087.35

Finding the Fourth Proportional to 1,008,041.35, 1,512,062.03 and 260,087.35

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Solution

The fourth proportional to 1,008,041.35, 1,512,062.03 and 260,087.35 is: 390,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,041.35 : 1,512,062.03 = 260,087.35 : x
  2. Step 2: Convert to fraction form
    1,008,041.35/1,512,062.03 = 260,087.35/x
  3. Step 3: Cross multiply
    1,008,041.35x = 1,512,062.03 × 260,087.35
  4. Step 4: Simplify right side
    1,008,041.35x = 393,268,205,117.88
  5. Step 5: Solve for x
    x = 393,268,205,117.88/1,008,041.35
  6. Step 6: Final answer
    x = 390,131.03

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.