Home / 1,272,328.26-1,755,793.31-699,356.13

Finding the Fourth Proportional to 1,272,328.26, 1,755,793.31 and 699,356.13

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Solution

The fourth proportional to 1,272,328.26, 1,755,793.31 and 699,356.13 is: 965,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,328.26 : 1,755,793.31 = 699,356.13 : x
  2. Step 2: Convert to fraction form
    1,272,328.26/1,755,793.31 = 699,356.13/x
  3. Step 3: Cross multiply
    1,272,328.26x = 1,755,793.31 × 699,356.13
  4. Step 4: Simplify right side
    1,272,328.26x = 1,227,924,808,214.36
  5. Step 5: Solve for x
    x = 1,227,924,808,214.36/1,272,328.26
  6. Step 6: Final answer
    x = 965,100.64

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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.