Home / 727,988.86-1,092,070.77-688,175.74

Finding the Fourth Proportional to 727,988.86, 1,092,070.77 and 688,175.74

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Solution

The fourth proportional to 727,988.86, 1,092,070.77 and 688,175.74 is: 1,032,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,988.86 : 1,092,070.77 = 688,175.74 : x
  2. Step 2: Convert to fraction form
    727,988.86/1,092,070.77 = 688,175.74/x
  3. Step 3: Cross multiply
    727,988.86x = 1,092,070.77 × 688,175.74
  4. Step 4: Simplify right side
    727,988.86x = 751,536,610,277.12
  5. Step 5: Solve for x
    x = 751,536,610,277.12/727,988.86
  6. Step 6: Final answer
    x = 1,032,346.31

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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.