Home / 1,261,178.31-1,891,531.73-337,945.13

Finding the Fourth Proportional to 1,261,178.31, 1,891,531.73 and 337,945.13

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Solution

The fourth proportional to 1,261,178.31, 1,891,531.73 and 337,945.13 is: 506,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,178.31 : 1,891,531.73 = 337,945.13 : x
  2. Step 2: Convert to fraction form
    1,261,178.31/1,891,531.73 = 337,945.13/x
  3. Step 3: Cross multiply
    1,261,178.31x = 1,891,531.73 × 337,945.13
  4. Step 4: Simplify right side
    1,261,178.31x = 639,233,927,781.18
  5. Step 5: Solve for x
    x = 639,233,927,781.18/1,261,178.31
  6. Step 6: Final answer
    x = 506,854.52

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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.