Home / 1,555,861.28-2,329,390.83-824,718.53

Finding the Fourth Proportional to 1,555,861.28, 2,329,390.83 and 824,718.53

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Solution

The fourth proportional to 1,555,861.28, 2,329,390.83 and 824,718.53 is: 1,234,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,861.28 : 2,329,390.83 = 824,718.53 : x
  2. Step 2: Convert to fraction form
    1,555,861.28/2,329,390.83 = 824,718.53/x
  3. Step 3: Cross multiply
    1,555,861.28x = 2,329,390.83 × 824,718.53
  4. Step 4: Simplify right side
    1,555,861.28x = 1,921,091,781,113.08
  5. Step 5: Solve for x
    x = 1,921,091,781,113.08/1,555,861.28
  6. Step 6: Final answer
    x = 1,234,744.90

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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.