Home / 1,217,715.30-1,826,688.15-331,251.30

Finding the Fourth Proportional to 1,217,715.30, 1,826,688.15 and 331,251.30

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Solution

The fourth proportional to 1,217,715.30, 1,826,688.15 and 331,251.30 is: 496,908.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,715.30 : 1,826,688.15 = 331,251.30 : x
  2. Step 2: Convert to fraction form
    1,217,715.30/1,826,688.15 = 331,251.30/x
  3. Step 3: Cross multiply
    1,217,715.30x = 1,826,688.15 × 331,251.30
  4. Step 4: Simplify right side
    1,217,715.30x = 605,092,824,382.10
  5. Step 5: Solve for x
    x = 605,092,824,382.10/1,217,715.30
  6. Step 6: Final answer
    x = 496,908.29

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Double scale
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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.