Home / 1,660,689.60-2,491,034.40-538,758.60

Finding the Fourth Proportional to 1,660,689.60, 2,491,034.40 and 538,758.60

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Solution

The fourth proportional to 1,660,689.60, 2,491,034.40 and 538,758.60 is: 808,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,689.60 : 2,491,034.40 = 538,758.60 : x
  2. Step 2: Convert to fraction form
    1,660,689.60/2,491,034.40 = 538,758.60/x
  3. Step 3: Cross multiply
    1,660,689.60x = 2,491,034.40 × 538,758.60
  4. Step 4: Simplify right side
    1,660,689.60x = 1,342,066,205,895.84
  5. Step 5: Solve for x
    x = 1,342,066,205,895.84/1,660,689.60
  6. Step 6: Final answer
    x = 808,137.90

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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.