Home / 992,282.88-1,487,243.32-691,132.96

Finding the Fourth Proportional to 992,282.88, 1,487,243.32 and 691,132.96

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Solution

The fourth proportional to 992,282.88, 1,487,243.32 and 691,132.96 is: 1,035,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,282.88 : 1,487,243.32 = 691,132.96 : x
  2. Step 2: Convert to fraction form
    992,282.88/1,487,243.32 = 691,132.96/x
  3. Step 3: Cross multiply
    992,282.88x = 1,487,243.32 × 691,132.96
  4. Step 4: Simplify right side
    992,282.88x = 1,027,882,877,991.83
  5. Step 5: Solve for x
    x = 1,027,882,877,991.83/992,282.88
  6. Step 6: Final answer
    x = 1,035,876.86

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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.