Home / 1,272,735.86-1,756,310.45-699,665.31

Finding the Fourth Proportional to 1,272,735.86, 1,756,310.45 and 699,665.31

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Solution

The fourth proportional to 1,272,735.86, 1,756,310.45 and 699,665.31 is: 965,502.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,735.86 : 1,756,310.45 = 699,665.31 : x
  2. Step 2: Convert to fraction form
    1,272,735.86/1,756,310.45 = 699,665.31/x
  3. Step 3: Cross multiply
    1,272,735.86x = 1,756,310.45 × 699,665.31
  4. Step 4: Simplify right side
    1,272,735.86x = 1,228,829,491,957.16
  5. Step 5: Solve for x
    x = 1,228,829,491,957.16/1,272,735.86
  6. Step 6: Final answer
    x = 965,502.38

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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.