Home / 1,543,861.80-2,129,270.94-1,086,491.76

Finding the Fourth Proportional to 1,543,861.80, 2,129,270.94 and 1,086,491.76

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Solution

The fourth proportional to 1,543,861.80, 2,129,270.94 and 1,086,491.76 is: 1,498,473.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,861.80 : 2,129,270.94 = 1,086,491.76 : x
  2. Step 2: Convert to fraction form
    1,543,861.80/2,129,270.94 = 1,086,491.76/x
  3. Step 3: Cross multiply
    1,543,861.80x = 2,129,270.94 × 1,086,491.76
  4. Step 4: Simplify right side
    1,543,861.80x = 2,313,435,331,117.45
  5. Step 5: Solve for x
    x = 2,313,435,331,117.45/1,543,861.80
  6. Step 6: Final answer
    x = 1,498,473.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.