Home / 1,123,352.75-1,685,029.13-375,398.75

Finding the Fourth Proportional to 1,123,352.75, 1,685,029.13 and 375,398.75

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Solution

The fourth proportional to 1,123,352.75, 1,685,029.13 and 375,398.75 is: 563,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,352.75 : 1,685,029.13 = 375,398.75 : x
  2. Step 2: Convert to fraction form
    1,123,352.75/1,685,029.13 = 375,398.75/x
  3. Step 3: Cross multiply
    1,123,352.75x = 1,685,029.13 × 375,398.75
  4. Step 4: Simplify right side
    1,123,352.75x = 632,557,829,115.59
  5. Step 5: Solve for x
    x = 632,557,829,115.59/1,123,352.75
  6. Step 6: Final answer
    x = 563,098.13

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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.