Home / 1,008,150.40-1,512,355.20-502,969.60

Finding the Fourth Proportional to 1,008,150.40, 1,512,355.20 and 502,969.60

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Solution

The fourth proportional to 1,008,150.40, 1,512,355.20 and 502,969.60 is: 754,519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,150.40 : 1,512,355.20 = 502,969.60 : x
  2. Step 2: Convert to fraction form
    1,008,150.40/1,512,355.20 = 502,969.60/x
  3. Step 3: Cross multiply
    1,008,150.40x = 1,512,355.20 × 502,969.60
  4. Step 4: Simplify right side
    1,008,150.40x = 760,668,690,001.92
  5. Step 5: Solve for x
    x = 760,668,690,001.92/1,008,150.40
  6. Step 6: Final answer
    x = 754,519.06

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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.