Home / 1,660,689.40-2,491,034.10-902,893.90

Finding the Fourth Proportional to 1,660,689.40, 2,491,034.10 and 902,893.90

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Solution

The fourth proportional to 1,660,689.40, 2,491,034.10 and 902,893.90 is: 1,354,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,689.40 : 2,491,034.10 = 902,893.90 : x
  2. Step 2: Convert to fraction form
    1,660,689.40/2,491,034.10 = 902,893.90/x
  3. Step 3: Cross multiply
    1,660,689.40x = 2,491,034.10 × 902,893.90
  4. Step 4: Simplify right side
    1,660,689.40x = 2,249,139,493,581.99
  5. Step 5: Solve for x
    x = 2,249,139,493,581.99/1,660,689.40
  6. Step 6: Final answer
    x = 1,354,340.85

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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.