Home / 1,082,689.28-1,620,798.24-654,930.68

Finding the Fourth Proportional to 1,082,689.28, 1,620,798.24 and 654,930.68

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Solution

The fourth proportional to 1,082,689.28, 1,620,798.24 and 654,930.68 is: 980,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,689.28 : 1,620,798.24 = 654,930.68 : x
  2. Step 2: Convert to fraction form
    1,082,689.28/1,620,798.24 = 654,930.68/x
  3. Step 3: Cross multiply
    1,082,689.28x = 1,620,798.24 × 654,930.68
  4. Step 4: Simplify right side
    1,082,689.28x = 1,061,510,493,466.00
  5. Step 5: Solve for x
    x = 1,061,510,493,466.00/1,082,689.28
  6. Step 6: Final answer
    x = 980,438.72

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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.