Home / 1,660,301.40-2,490,452.10-863,139.90

Finding the Fourth Proportional to 1,660,301.40, 2,490,452.10 and 863,139.90

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Solution

The fourth proportional to 1,660,301.40, 2,490,452.10 and 863,139.90 is: 1,294,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,301.40 : 2,490,452.10 = 863,139.90 : x
  2. Step 2: Convert to fraction form
    1,660,301.40/2,490,452.10 = 863,139.90/x
  3. Step 3: Cross multiply
    1,660,301.40x = 2,490,452.10 × 863,139.90
  4. Step 4: Simplify right side
    1,660,301.40x = 2,149,608,576,548.79
  5. Step 5: Solve for x
    x = 2,149,608,576,548.79/1,660,301.40
  6. Step 6: Final answer
    x = 1,294,709.85

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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.