Home / 1,301,861.28-1,796,548.50-728,922

Finding the Fourth Proportional to 1,301,861.28, 1,796,548.50 and 728,922

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Solution

The fourth proportional to 1,301,861.28, 1,796,548.50 and 728,922 is: 1,005,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,861.28 : 1,796,548.50 = 728,922 : x
  2. Step 2: Convert to fraction form
    1,301,861.28/1,796,548.50 = 728,922/x
  3. Step 3: Cross multiply
    1,301,861.28x = 1,796,548.50 × 728,922
  4. Step 4: Simplify right side
    1,301,861.28x = 1,309,543,725,717
  5. Step 5: Solve for x
    x = 1,309,543,725,717/1,301,861.28
  6. Step 6: Final answer
    x = 1,005,901.12

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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.