Home / 1,761,540.30-2,642,310.45-499,378.86

Finding the Fourth Proportional to 1,761,540.30, 2,642,310.45 and 499,378.86

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Solution

The fourth proportional to 1,761,540.30, 2,642,310.45 and 499,378.86 is: 749,068.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,540.30 : 2,642,310.45 = 499,378.86 : x
  2. Step 2: Convert to fraction form
    1,761,540.30/2,642,310.45 = 499,378.86/x
  3. Step 3: Cross multiply
    1,761,540.30x = 2,642,310.45 × 499,378.86
  4. Step 4: Simplify right side
    1,761,540.30x = 1,319,513,980,287.09
  5. Step 5: Solve for x
    x = 1,319,513,980,287.09/1,761,540.30
  6. Step 6: Final answer
    x = 749,068.29

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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.