Home / 726,716.40-1,090,074.60-696,001.20

Finding the Fourth Proportional to 726,716.40, 1,090,074.60 and 696,001.20

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Solution

The fourth proportional to 726,716.40, 1,090,074.60 and 696,001.20 is: 1,044,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,716.40 : 1,090,074.60 = 696,001.20 : x
  2. Step 2: Convert to fraction form
    726,716.40/1,090,074.60 = 696,001.20/x
  3. Step 3: Cross multiply
    726,716.40x = 1,090,074.60 × 696,001.20
  4. Step 4: Simplify right side
    726,716.40x = 758,693,229,689.52
  5. Step 5: Solve for x
    x = 758,693,229,689.52/726,716.40
  6. Step 6: Final answer
    x = 1,044,001.80

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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.