Home / 992,972.40-1,487,927.70-739,061.70

Finding the Fourth Proportional to 992,972.40, 1,487,927.70 and 739,061.70

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Solution

The fourth proportional to 992,972.40, 1,487,927.70 and 739,061.70 is: 1,107,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,972.40 : 1,487,927.70 = 739,061.70 : x
  2. Step 2: Convert to fraction form
    992,972.40/1,487,927.70 = 739,061.70/x
  3. Step 3: Cross multiply
    992,972.40x = 1,487,927.70 × 739,061.70
  4. Step 4: Simplify right side
    992,972.40x = 1,099,670,375,439.09
  5. Step 5: Solve for x
    x = 1,099,670,375,439.09/992,972.40
  6. Step 6: Final answer
    x = 1,107,453.11

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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.