Home / 1,517,489.40-2,276,363.70-520,217.40

Finding the Fourth Proportional to 1,517,489.40, 2,276,363.70 and 520,217.40

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Solution

The fourth proportional to 1,517,489.40, 2,276,363.70 and 520,217.40 is: 780,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,489.40 : 2,276,363.70 = 520,217.40 : x
  2. Step 2: Convert to fraction form
    1,517,489.40/2,276,363.70 = 520,217.40/x
  3. Step 3: Cross multiply
    1,517,489.40x = 2,276,363.70 × 520,217.40
  4. Step 4: Simplify right side
    1,517,489.40x = 1,184,204,005,468.38
  5. Step 5: Solve for x
    x = 1,184,204,005,468.38/1,517,489.40
  6. Step 6: Final answer
    x = 780,370.53

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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.