Home / 726,146.60-1,091,844.30-710,400.20

Finding the Fourth Proportional to 726,146.60, 1,091,844.30 and 710,400.20

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Solution

The fourth proportional to 726,146.60, 1,091,844.30 and 710,400.20 is: 1,068,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,146.60 : 1,091,844.30 = 710,400.20 : x
  2. Step 2: Convert to fraction form
    726,146.60/1,091,844.30 = 710,400.20/x
  3. Step 3: Cross multiply
    726,146.60x = 1,091,844.30 × 710,400.20
  4. Step 4: Simplify right side
    726,146.60x = 775,646,409,088.86
  5. Step 5: Solve for x
    x = 775,646,409,088.86/726,146.60
  6. Step 6: Final answer
    x = 1,068,167.79

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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.