Home / 1,707,719-2,561,201.12-493,031.66

Finding the Fourth Proportional to 1,707,719, 2,561,201.12 and 493,031.66

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Solution

The fourth proportional to 1,707,719, 2,561,201.12 and 493,031.66 is: 739,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,719 : 2,561,201.12 = 493,031.66 : x
  2. Step 2: Convert to fraction form
    1,707,719/2,561,201.12 = 493,031.66/x
  3. Step 3: Cross multiply
    1,707,719x = 2,561,201.12 × 493,031.66
  4. Step 4: Simplify right side
    1,707,719x = 1,262,753,239,787.46
  5. Step 5: Solve for x
    x = 1,262,753,239,787.46/1,707,719
  6. Step 6: Final answer
    x = 739,438.54

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.