Home / 1,259,502.08-1,738,112.92-686,542.25

Finding the Fourth Proportional to 1,259,502.08, 1,738,112.92 and 686,542.25

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Solution

The fourth proportional to 1,259,502.08, 1,738,112.92 and 686,542.25 is: 947,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,502.08 : 1,738,112.92 = 686,542.25 : x
  2. Step 2: Convert to fraction form
    1,259,502.08/1,738,112.92 = 686,542.25/x
  3. Step 3: Cross multiply
    1,259,502.08x = 1,738,112.92 × 686,542.25
  4. Step 4: Simplify right side
    1,259,502.08x = 1,193,287,957,479.80
  5. Step 5: Solve for x
    x = 1,193,287,957,479.80/1,259,502.08
  6. Step 6: Final answer
    x = 947,428.34

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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.