Home / 1,373,135.18-2,059,421.28-519,912.48

Finding the Fourth Proportional to 1,373,135.18, 2,059,421.28 and 519,912.48

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Solution

The fourth proportional to 1,373,135.18, 2,059,421.28 and 519,912.48 is: 779,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,135.18 : 2,059,421.28 = 519,912.48 : x
  2. Step 2: Convert to fraction form
    1,373,135.18/2,059,421.28 = 519,912.48/x
  3. Step 3: Cross multiply
    1,373,135.18x = 2,059,421.28 × 519,912.48
  4. Step 4: Simplify right side
    1,373,135.18x = 1,070,718,825,049.57
  5. Step 5: Solve for x
    x = 1,070,718,825,049.57/1,373,135.18
  6. Step 6: Final answer
    x = 779,762.14

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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.