Home / 992,997.40-1,487,965.20-739,086.70

Finding the Fourth Proportional to 992,997.40, 1,487,965.20 and 739,086.70

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Solution

The fourth proportional to 992,997.40, 1,487,965.20 and 739,086.70 is: 1,107,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,997.40 : 1,487,965.20 = 739,086.70 : x
  2. Step 2: Convert to fraction form
    992,997.40/1,487,965.20 = 739,086.70/x
  3. Step 3: Cross multiply
    992,997.40x = 1,487,965.20 × 739,086.70
  4. Step 4: Simplify right side
    992,997.40x = 1,099,735,289,382.84
  5. Step 5: Solve for x
    x = 1,099,735,289,382.84/992,997.40
  6. Step 6: Final answer
    x = 1,107,490.60

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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.