Home / 1,425,724.32-2,138,613.78-466,183.50

Finding the Fourth Proportional to 1,425,724.32, 2,138,613.78 and 466,183.50

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Solution

The fourth proportional to 1,425,724.32, 2,138,613.78 and 466,183.50 is: 699,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,724.32 : 2,138,613.78 = 466,183.50 : x
  2. Step 2: Convert to fraction form
    1,425,724.32/2,138,613.78 = 466,183.50/x
  3. Step 3: Cross multiply
    1,425,724.32x = 2,138,613.78 × 466,183.50
  4. Step 4: Simplify right side
    1,425,724.32x = 996,986,457,108.63
  5. Step 5: Solve for x
    x = 996,986,457,108.63/1,425,724.32
  6. Step 6: Final answer
    x = 699,284.18

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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.