Home / 1,139,553.92-1,709,333.78-465,635.23

Finding the Fourth Proportional to 1,139,553.92, 1,709,333.78 and 465,635.23

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Solution

The fourth proportional to 1,139,553.92, 1,709,333.78 and 465,635.23 is: 698,454.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,553.92 : 1,709,333.78 = 465,635.23 : x
  2. Step 2: Convert to fraction form
    1,139,553.92/1,709,333.78 = 465,635.23/x
  3. Step 3: Cross multiply
    1,139,553.92x = 1,709,333.78 × 465,635.23
  4. Step 4: Simplify right side
    1,139,553.92x = 795,926,023,523.74
  5. Step 5: Solve for x
    x = 795,926,023,523.74/1,139,553.92
  6. Step 6: Final answer
    x = 698,454.02

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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.