Home / 1,491,035.52-2,236,622.40-426,228.96

Finding the Fourth Proportional to 1,491,035.52, 2,236,622.40 and 426,228.96

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Solution

The fourth proportional to 1,491,035.52, 2,236,622.40 and 426,228.96 is: 639,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,035.52 : 2,236,622.40 = 426,228.96 : x
  2. Step 2: Convert to fraction form
    1,491,035.52/2,236,622.40 = 426,228.96/x
  3. Step 3: Cross multiply
    1,491,035.52x = 2,236,622.40 × 426,228.96
  4. Step 4: Simplify right side
    1,491,035.52x = 953,313,239,464.70
  5. Step 5: Solve for x
    x = 953,313,239,464.70/1,491,035.52
  6. Step 6: Final answer
    x = 639,363.20

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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.