Home / 1,272,011.80-1,755,375.96-699,089.08

Finding the Fourth Proportional to 1,272,011.80, 1,755,375.96 and 699,089.08

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Solution

The fourth proportional to 1,272,011.80, 1,755,375.96 and 699,089.08 is: 964,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,011.80 : 1,755,375.96 = 699,089.08 : x
  2. Step 2: Convert to fraction form
    1,272,011.80/1,755,375.96 = 699,089.08/x
  3. Step 3: Cross multiply
    1,272,011.80x = 1,755,375.96 × 699,089.08
  4. Step 4: Simplify right side
    1,272,011.80x = 1,227,164,164,930.52
  5. Step 5: Solve for x
    x = 1,227,164,164,930.52/1,272,011.80
  6. Step 6: Final answer
    x = 964,742.75

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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.