Home / 1,098,966.63-1,646,456.61-811,489.92

Finding the Fourth Proportional to 1,098,966.63, 1,646,456.61 and 811,489.92

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Solution

The fourth proportional to 1,098,966.63, 1,646,456.61 and 811,489.92 is: 1,215,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,966.63 : 1,646,456.61 = 811,489.92 : x
  2. Step 2: Convert to fraction form
    1,098,966.63/1,646,456.61 = 811,489.92/x
  3. Step 3: Cross multiply
    1,098,966.63x = 1,646,456.61 × 811,489.92
  4. Step 4: Simplify right side
    1,098,966.63x = 1,336,082,942,732.37
  5. Step 5: Solve for x
    x = 1,336,082,942,732.37/1,098,966.63
  6. Step 6: Final answer
    x = 1,215,762.98

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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.