Home / 1,660,447.81-2,491,459.04-987,857.83

Finding the Fourth Proportional to 1,660,447.81, 2,491,459.04 and 987,857.83

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Solution

The fourth proportional to 1,660,447.81, 2,491,459.04 and 987,857.83 is: 1,482,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,447.81 : 2,491,459.04 = 987,857.83 : x
  2. Step 2: Convert to fraction form
    1,660,447.81/2,491,459.04 = 987,857.83/x
  3. Step 3: Cross multiply
    1,660,447.81x = 2,491,459.04 × 987,857.83
  4. Step 4: Simplify right side
    1,660,447.81x = 2,461,207,320,788.28
  5. Step 5: Solve for x
    x = 2,461,207,320,788.28/1,660,447.81
  6. Step 6: Final answer
    x = 1,482,255.15

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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.