Home / 1,438,704.87-1,985,412.92-794,125.20

Finding the Fourth Proportional to 1,438,704.87, 1,985,412.92 and 794,125.20

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Solution

The fourth proportional to 1,438,704.87, 1,985,412.92 and 794,125.20 is: 1,095,892.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,704.87 : 1,985,412.92 = 794,125.20 : x
  2. Step 2: Convert to fraction form
    1,438,704.87/1,985,412.92 = 794,125.20/x
  3. Step 3: Cross multiply
    1,438,704.87x = 1,985,412.92 × 794,125.20
  4. Step 4: Simplify right side
    1,438,704.87x = 1,576,666,428,206.96
  5. Step 5: Solve for x
    x = 1,576,666,428,206.96/1,438,704.87
  6. Step 6: Final answer
    x = 1,095,892.88

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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.