Home / 978,456.24-1,466,944.16-641,581.70

Finding the Fourth Proportional to 978,456.24, 1,466,944.16 and 641,581.70

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Solution

The fourth proportional to 978,456.24, 1,466,944.16 and 641,581.70 is: 961,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,456.24 : 1,466,944.16 = 641,581.70 : x
  2. Step 2: Convert to fraction form
    978,456.24/1,466,944.16 = 641,581.70/x
  3. Step 3: Cross multiply
    978,456.24x = 1,466,944.16 × 641,581.70
  4. Step 4: Simplify right side
    978,456.24x = 941,164,517,435.24
  5. Step 5: Solve for x
    x = 941,164,517,435.24/978,456.24
  6. Step 6: Final answer
    x = 961,887.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.