Home / 1,253,669.76-1,730,064.26-717,125.76

Finding the Fourth Proportional to 1,253,669.76, 1,730,064.26 and 717,125.76

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Solution

The fourth proportional to 1,253,669.76, 1,730,064.26 and 717,125.76 is: 989,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,669.76 : 1,730,064.26 = 717,125.76 : x
  2. Step 2: Convert to fraction form
    1,253,669.76/1,730,064.26 = 717,125.76/x
  3. Step 3: Cross multiply
    1,253,669.76x = 1,730,064.26 × 717,125.76
  4. Step 4: Simplify right side
    1,253,669.76x = 1,240,673,647,301.34
  5. Step 5: Solve for x
    x = 1,240,673,647,301.34/1,253,669.76
  6. Step 6: Final answer
    x = 989,633.54

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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.