Home / 1,009,945.13-1,393,753.43-557,265.29

Finding the Fourth Proportional to 1,009,945.13, 1,393,753.43 and 557,265.29

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Solution

The fourth proportional to 1,009,945.13, 1,393,753.43 and 557,265.29 is: 769,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,945.13 : 1,393,753.43 = 557,265.29 : x
  2. Step 2: Convert to fraction form
    1,009,945.13/1,393,753.43 = 557,265.29/x
  3. Step 3: Cross multiply
    1,009,945.13x = 1,393,753.43 × 557,265.29
  4. Step 4: Simplify right side
    1,009,945.13x = 776,690,403,781.84
  5. Step 5: Solve for x
    x = 776,690,403,781.84/1,009,945.13
  6. Step 6: Final answer
    x = 769,042.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.