Home / 1,008,507.60-1,512,761.40-377,339.40

Finding the Fourth Proportional to 1,008,507.60, 1,512,761.40 and 377,339.40

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Solution

The fourth proportional to 1,008,507.60, 1,512,761.40 and 377,339.40 is: 566,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,507.60 : 1,512,761.40 = 377,339.40 : x
  2. Step 2: Convert to fraction form
    1,008,507.60/1,512,761.40 = 377,339.40/x
  3. Step 3: Cross multiply
    1,008,507.60x = 1,512,761.40 × 377,339.40
  4. Step 4: Simplify right side
    1,008,507.60x = 570,824,479,019.16
  5. Step 5: Solve for x
    x = 570,824,479,019.16/1,008,507.60
  6. Step 6: Final answer
    x = 566,009.10

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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.