Home / 1,538,376.30-2,309,642.10-899,334.90

Finding the Fourth Proportional to 1,538,376.30, 2,309,642.10 and 899,334.90

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Solution

The fourth proportional to 1,538,376.30, 2,309,642.10 and 899,334.90 is: 1,350,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,376.30 : 2,309,642.10 = 899,334.90 : x
  2. Step 2: Convert to fraction form
    1,538,376.30/2,309,642.10 = 899,334.90/x
  3. Step 3: Cross multiply
    1,538,376.30x = 2,309,642.10 × 899,334.90
  4. Step 4: Simplify right side
    1,538,376.30x = 2,077,141,747,039.29
  5. Step 5: Solve for x
    x = 2,077,141,747,039.29/1,538,376.30
  6. Step 6: Final answer
    x = 1,350,216.94

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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.