Home / 1,403,672.10-2,105,508.15-693,553.20

Finding the Fourth Proportional to 1,403,672.10, 2,105,508.15 and 693,553.20

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Solution

The fourth proportional to 1,403,672.10, 2,105,508.15 and 693,553.20 is: 1,040,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,672.10 : 2,105,508.15 = 693,553.20 : x
  2. Step 2: Convert to fraction form
    1,403,672.10/2,105,508.15 = 693,553.20/x
  3. Step 3: Cross multiply
    1,403,672.10x = 2,105,508.15 × 693,553.20
  4. Step 4: Simplify right side
    1,403,672.10x = 1,460,281,915,058.58
  5. Step 5: Solve for x
    x = 1,460,281,915,058.58/1,403,672.10
  6. Step 6: Final answer
    x = 1,040,329.80

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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.