Home / 1,309,660.60-1,804,861.74-1,147,459

Finding the Fourth Proportional to 1,309,660.60, 1,804,861.74 and 1,147,459

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Solution

The fourth proportional to 1,309,660.60, 1,804,861.74 and 1,147,459 is: 1,581,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,660.60 : 1,804,861.74 = 1,147,459 : x
  2. Step 2: Convert to fraction form
    1,309,660.60/1,804,861.74 = 1,147,459/x
  3. Step 3: Cross multiply
    1,309,660.60x = 1,804,861.74 × 1,147,459
  4. Step 4: Simplify right side
    1,309,660.60x = 2,071,004,847,318.66
  5. Step 5: Solve for x
    x = 2,071,004,847,318.66/1,309,660.60
  6. Step 6: Final answer
    x = 1,581,329.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.