Home / 1,123,670.30-1,685,724.15-324,977.90

Finding the Fourth Proportional to 1,123,670.30, 1,685,724.15 and 324,977.90

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Solution

The fourth proportional to 1,123,670.30, 1,685,724.15 and 324,977.90 is: 487,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,670.30 : 1,685,724.15 = 324,977.90 : x
  2. Step 2: Convert to fraction form
    1,123,670.30/1,685,724.15 = 324,977.90/x
  3. Step 3: Cross multiply
    1,123,670.30x = 1,685,724.15 × 324,977.90
  4. Step 4: Simplify right side
    1,123,670.30x = 547,823,094,246.29
  5. Step 5: Solve for x
    x = 547,823,094,246.29/1,123,670.30
  6. Step 6: Final answer
    x = 487,530.10

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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.