Home / 1,660,446.81-2,491,457.54-987,856.83

Finding the Fourth Proportional to 1,660,446.81, 2,491,457.54 and 987,856.83

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Solution

The fourth proportional to 1,660,446.81, 2,491,457.54 and 987,856.83 is: 1,482,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,446.81 : 2,491,457.54 = 987,856.83 : x
  2. Step 2: Convert to fraction form
    1,660,446.81/2,491,457.54 = 987,856.83/x
  3. Step 3: Cross multiply
    1,660,446.81x = 2,491,457.54 × 987,856.83
  4. Step 4: Simplify right side
    1,660,446.81x = 2,461,203,342,604.71
  5. Step 5: Solve for x
    x = 2,461,203,342,604.71/1,660,446.81
  6. Step 6: Final answer
    x = 1,482,253.65

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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.