Home / 725,295.60-1,087,943.40-720,046.80

Finding the Fourth Proportional to 725,295.60, 1,087,943.40 and 720,046.80

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Solution

The fourth proportional to 725,295.60, 1,087,943.40 and 720,046.80 is: 1,080,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,295.60 : 1,087,943.40 = 720,046.80 : x
  2. Step 2: Convert to fraction form
    725,295.60/1,087,943.40 = 720,046.80/x
  3. Step 3: Cross multiply
    725,295.60x = 1,087,943.40 × 720,046.80
  4. Step 4: Simplify right side
    725,295.60x = 783,370,163,751.12
  5. Step 5: Solve for x
    x = 783,370,163,751.12/725,295.60
  6. Step 6: Final answer
    x = 1,080,070.20

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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.