Home / 1,272,267.06-1,755,705.78-699,307.08

Finding the Fourth Proportional to 1,272,267.06, 1,755,705.78 and 699,307.08

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Solution

The fourth proportional to 1,272,267.06, 1,755,705.78 and 699,307.08 is: 965,031.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,267.06 : 1,755,705.78 = 699,307.08 : x
  2. Step 2: Convert to fraction form
    1,272,267.06/1,755,705.78 = 699,307.08/x
  3. Step 3: Cross multiply
    1,272,267.06x = 1,755,705.78 × 699,307.08
  4. Step 4: Simplify right side
    1,272,267.06x = 1,227,777,482,350.92
  5. Step 5: Solve for x
    x = 1,227,777,482,350.92/1,272,267.06
  6. Step 6: Final answer
    x = 965,031.26

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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.