Home / 1,132,918.31-1,699,377.17-423,001.71

Finding the Fourth Proportional to 1,132,918.31, 1,699,377.17 and 423,001.71

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Solution

The fourth proportional to 1,132,918.31, 1,699,377.17 and 423,001.71 is: 634,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,918.31 : 1,699,377.17 = 423,001.71 : x
  2. Step 2: Convert to fraction form
    1,132,918.31/1,699,377.17 = 423,001.71/x
  3. Step 3: Cross multiply
    1,132,918.31x = 1,699,377.17 × 423,001.71
  4. Step 4: Simplify right side
    1,132,918.31x = 718,839,446,729.95
  5. Step 5: Solve for x
    x = 718,839,446,729.95/1,132,918.31
  6. Step 6: Final answer
    x = 634,502.45

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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.