Home / 1,691,315.53-2,537,346.45-493,331.61

Finding the Fourth Proportional to 1,691,315.53, 2,537,346.45 and 493,331.61

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Solution

The fourth proportional to 1,691,315.53, 2,537,346.45 and 493,331.61 is: 740,106.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,315.53 : 2,537,346.45 = 493,331.61 : x
  2. Step 2: Convert to fraction form
    1,691,315.53/2,537,346.45 = 493,331.61/x
  3. Step 3: Cross multiply
    1,691,315.53x = 2,537,346.45 × 493,331.61
  4. Step 4: Simplify right side
    1,691,315.53x = 1,251,753,209,306.28
  5. Step 5: Solve for x
    x = 1,251,753,209,306.28/1,691,315.53
  6. Step 6: Final answer
    x = 740,106.26

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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.