Home / 1,377,380.28-1,901,010.38-1,147,573.12

Finding the Fourth Proportional to 1,377,380.28, 1,901,010.38 and 1,147,573.12

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Solution

The fourth proportional to 1,377,380.28, 1,901,010.38 and 1,147,573.12 is: 1,583,838.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,380.28 : 1,901,010.38 = 1,147,573.12 : x
  2. Step 2: Convert to fraction form
    1,377,380.28/1,901,010.38 = 1,147,573.12/x
  3. Step 3: Cross multiply
    1,377,380.28x = 1,901,010.38 × 1,147,573.12
  4. Step 4: Simplify right side
    1,377,380.28x = 2,181,548,412,928.99
  5. Step 5: Solve for x
    x = 2,181,548,412,928.99/1,377,380.28
  6. Step 6: Final answer
    x = 1,583,838.86

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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.