Home / 992,712.40-1,487,311.80-959,822.80

Finding the Fourth Proportional to 992,712.40, 1,487,311.80 and 959,822.80

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Solution

The fourth proportional to 992,712.40, 1,487,311.80 and 959,822.80 is: 1,438,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,712.40 : 1,487,311.80 = 959,822.80 : x
  2. Step 2: Convert to fraction form
    992,712.40/1,487,311.80 = 959,822.80/x
  3. Step 3: Cross multiply
    992,712.40x = 1,487,311.80 × 959,822.80
  4. Step 4: Simplify right side
    992,712.40x = 1,427,555,776,349.04
  5. Step 5: Solve for x
    x = 1,427,555,776,349.04/992,712.40
  6. Step 6: Final answer
    x = 1,438,035.60

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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.