Home / 728,617.60-1,092,926.40-697,124.80

Finding the Fourth Proportional to 728,617.60, 1,092,926.40 and 697,124.80

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Solution

The fourth proportional to 728,617.60, 1,092,926.40 and 697,124.80 is: 1,045,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,617.60 : 1,092,926.40 = 697,124.80 : x
  2. Step 2: Convert to fraction form
    728,617.60/1,092,926.40 = 697,124.80/x
  3. Step 3: Cross multiply
    728,617.60x = 1,092,926.40 × 697,124.80
  4. Step 4: Simplify right side
    728,617.60x = 761,906,098,014.72
  5. Step 5: Solve for x
    x = 761,906,098,014.72/728,617.60
  6. Step 6: Final answer
    x = 1,045,687.20

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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.