Home / 1,098,343.20-1,647,465.60-299,622.18

Finding the Fourth Proportional to 1,098,343.20, 1,647,465.60 and 299,622.18

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Solution

The fourth proportional to 1,098,343.20, 1,647,465.60 and 299,622.18 is: 449,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,343.20 : 1,647,465.60 = 299,622.18 : x
  2. Step 2: Convert to fraction form
    1,098,343.20/1,647,465.60 = 299,622.18/x
  3. Step 3: Cross multiply
    1,098,343.20x = 1,647,465.60 × 299,622.18
  4. Step 4: Simplify right side
    1,098,343.20x = 493,617,234,547.01
  5. Step 5: Solve for x
    x = 493,617,234,547.01/1,098,343.20
  6. Step 6: Final answer
    x = 449,419.85

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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.