Home / 1,543,061.70-2,129,459.45-880,760.19

Finding the Fourth Proportional to 1,543,061.70, 2,129,459.45 and 880,760.19

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Solution

The fourth proportional to 1,543,061.70, 2,129,459.45 and 880,760.19 is: 1,215,468.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,061.70 : 2,129,459.45 = 880,760.19 : x
  2. Step 2: Convert to fraction form
    1,543,061.70/2,129,459.45 = 880,760.19/x
  3. Step 3: Cross multiply
    1,543,061.70x = 2,129,459.45 × 880,760.19
  4. Step 4: Simplify right side
    1,543,061.70x = 1,875,543,105,375.49
  5. Step 5: Solve for x
    x = 1,875,543,105,375.49/1,543,061.70
  6. Step 6: Final answer
    x = 1,215,468.64

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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.