Home / 1,665,355.20-2,497,449.60-866,371.20

Finding the Fourth Proportional to 1,665,355.20, 2,497,449.60 and 866,371.20

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Solution

The fourth proportional to 1,665,355.20, 2,497,449.60 and 866,371.20 is: 1,299,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,355.20 : 2,497,449.60 = 866,371.20 : x
  2. Step 2: Convert to fraction form
    1,665,355.20/2,497,449.60 = 866,371.20/x
  3. Step 3: Cross multiply
    1,665,355.20x = 2,497,449.60 × 866,371.20
  4. Step 4: Simplify right side
    1,665,355.20x = 2,163,718,406,891.52
  5. Step 5: Solve for x
    x = 2,163,718,406,891.52/1,665,355.20
  6. Step 6: Final answer
    x = 1,299,253.40

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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.