Home / 992,988.15-1,487,951.33-739,077.45

Finding the Fourth Proportional to 992,988.15, 1,487,951.33 and 739,077.45

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Solution

The fourth proportional to 992,988.15, 1,487,951.33 and 739,077.45 is: 1,107,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,988.15 : 1,487,951.33 = 739,077.45 : x
  2. Step 2: Convert to fraction form
    992,988.15/1,487,951.33 = 739,077.45/x
  3. Step 3: Cross multiply
    992,988.15x = 1,487,951.33 × 739,077.45
  4. Step 4: Simplify right side
    992,988.15x = 1,099,711,271,005.12
  5. Step 5: Solve for x
    x = 1,099,711,271,005.12/992,988.15
  6. Step 6: Final answer
    x = 1,107,476.73

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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.