Home / 1,373,134.18-2,059,419.78-519,911.48

Finding the Fourth Proportional to 1,373,134.18, 2,059,419.78 and 519,911.48

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Solution

The fourth proportional to 1,373,134.18, 2,059,419.78 and 519,911.48 is: 779,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,134.18 : 2,059,419.78 = 519,911.48 : x
  2. Step 2: Convert to fraction form
    1,373,134.18/2,059,419.78 = 519,911.48/x
  3. Step 3: Cross multiply
    1,373,134.18x = 2,059,419.78 × 519,911.48
  4. Step 4: Simplify right side
    1,373,134.18x = 1,070,715,985,761.07
  5. Step 5: Solve for x
    x = 1,070,715,985,761.07/1,373,134.18
  6. Step 6: Final answer
    x = 779,760.64

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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.