Home / 1,543,143.28-2,129,571.80-880,841.52

Finding the Fourth Proportional to 1,543,143.28, 2,129,571.80 and 880,841.52

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Solution

The fourth proportional to 1,543,143.28, 2,129,571.80 and 880,841.52 is: 1,215,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,143.28 : 2,129,571.80 = 880,841.52 : x
  2. Step 2: Convert to fraction form
    1,543,143.28/2,129,571.80 = 880,841.52/x
  3. Step 3: Cross multiply
    1,543,143.28x = 2,129,571.80 × 880,841.52
  4. Step 4: Simplify right side
    1,543,143.28x = 1,875,815,261,261.14
  5. Step 5: Solve for x
    x = 1,875,815,261,261.14/1,543,143.28
  6. Step 6: Final answer
    x = 1,215,580.75

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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.