Home / 1,080,218.88-1,488,597.12-777,841.92

Finding the Fourth Proportional to 1,080,218.88, 1,488,597.12 and 777,841.92

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Solution

The fourth proportional to 1,080,218.88, 1,488,597.12 and 777,841.92 is: 1,071,906.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,218.88 : 1,488,597.12 = 777,841.92 : x
  2. Step 2: Convert to fraction form
    1,080,218.88/1,488,597.12 = 777,841.92/x
  3. Step 3: Cross multiply
    1,080,218.88x = 1,488,597.12 × 777,841.92
  4. Step 4: Simplify right side
    1,080,218.88x = 1,157,893,241,927.27
  5. Step 5: Solve for x
    x = 1,157,893,241,927.27/1,080,218.88
  6. Step 6: Final answer
    x = 1,071,906.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.