Home / 992,988.40-1,487,951.70-739,077.70

Finding the Fourth Proportional to 992,988.40, 1,487,951.70 and 739,077.70

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Solution

The fourth proportional to 992,988.40, 1,487,951.70 and 739,077.70 is: 1,107,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,988.40 : 1,487,951.70 = 739,077.70 : x
  2. Step 2: Convert to fraction form
    992,988.40/1,487,951.70 = 739,077.70/x
  3. Step 3: Cross multiply
    992,988.40x = 1,487,951.70 × 739,077.70
  4. Step 4: Simplify right side
    992,988.40x = 1,099,711,920,147.09
  5. Step 5: Solve for x
    x = 1,099,711,920,147.09/992,988.40
  6. Step 6: Final answer
    x = 1,107,477.11

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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.