Home / 931,449.60-1,397,174.40-876,337.20

Finding the Fourth Proportional to 931,449.60, 1,397,174.40 and 876,337.20

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Solution

The fourth proportional to 931,449.60, 1,397,174.40 and 876,337.20 is: 1,314,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,449.60 : 1,397,174.40 = 876,337.20 : x
  2. Step 2: Convert to fraction form
    931,449.60/1,397,174.40 = 876,337.20/x
  3. Step 3: Cross multiply
    931,449.60x = 1,397,174.40 × 876,337.20
  4. Step 4: Simplify right side
    931,449.60x = 1,224,395,901,607.68
  5. Step 5: Solve for x
    x = 1,224,395,901,607.68/931,449.60
  6. Step 6: Final answer
    x = 1,314,505.80

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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.