Home / 1,008,028.60-1,512,042.90-260,074.60

Finding the Fourth Proportional to 1,008,028.60, 1,512,042.90 and 260,074.60

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Solution

The fourth proportional to 1,008,028.60, 1,512,042.90 and 260,074.60 is: 390,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,028.60 : 1,512,042.90 = 260,074.60 : x
  2. Step 2: Convert to fraction form
    1,008,028.60/1,512,042.90 = 260,074.60/x
  3. Step 3: Cross multiply
    1,008,028.60x = 1,512,042.90 × 260,074.60
  4. Step 4: Simplify right side
    1,008,028.60x = 393,243,952,400.34
  5. Step 5: Solve for x
    x = 393,243,952,400.34/1,008,028.60
  6. Step 6: Final answer
    x = 390,111.90

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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.