Home / 992,200.22-1,487,818.86-581,981.58

Finding the Fourth Proportional to 992,200.22, 1,487,818.86 and 581,981.58

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Solution

The fourth proportional to 992,200.22, 1,487,818.86 and 581,981.58 is: 872,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,200.22 : 1,487,818.86 = 581,981.58 : x
  2. Step 2: Convert to fraction form
    992,200.22/1,487,818.86 = 581,981.58/x
  3. Step 3: Cross multiply
    992,200.22x = 1,487,818.86 × 581,981.58
  4. Step 4: Simplify right side
    992,200.22x = 865,883,170,896.60
  5. Step 5: Solve for x
    x = 865,883,170,896.60/992,200.22
  6. Step 6: Final answer
    x = 872,689.96

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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.