Home / 1,512,521.28-2,266,643.44-838,899.36

Finding the Fourth Proportional to 1,512,521.28, 2,266,643.44 and 838,899.36

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Solution

The fourth proportional to 1,512,521.28, 2,266,643.44 and 838,899.36 is: 1,257,162.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,521.28 : 2,266,643.44 = 838,899.36 : x
  2. Step 2: Convert to fraction form
    1,512,521.28/2,266,643.44 = 838,899.36/x
  3. Step 3: Cross multiply
    1,512,521.28x = 2,266,643.44 × 838,899.36
  4. Step 4: Simplify right side
    1,512,521.28x = 1,901,485,731,164.20
  5. Step 5: Solve for x
    x = 1,901,485,731,164.20/1,512,521.28
  6. Step 6: Final answer
    x = 1,257,162.96

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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.