Home / 782,336.20-1,176,009.90-726,867.40

Finding the Fourth Proportional to 782,336.20, 1,176,009.90 and 726,867.40

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Solution

The fourth proportional to 782,336.20, 1,176,009.90 and 726,867.40 is: 1,092,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,336.20 : 1,176,009.90 = 726,867.40 : x
  2. Step 2: Convert to fraction form
    782,336.20/1,176,009.90 = 726,867.40/x
  3. Step 3: Cross multiply
    782,336.20x = 1,176,009.90 × 726,867.40
  4. Step 4: Simplify right side
    782,336.20x = 854,803,258,387.26
  5. Step 5: Solve for x
    x = 854,803,258,387.26/782,336.20
  6. Step 6: Final answer
    x = 1,092,629.05

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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.