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Finding the Fourth Proportional to 1,301,862.28, 1,796,549.88 and 728,923

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Solution

The fourth proportional to 1,301,862.28, 1,796,549.88 and 728,923 is: 1,005,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,862.28 : 1,796,549.88 = 728,923 : x
  2. Step 2: Convert to fraction form
    1,301,862.28/1,796,549.88 = 728,923/x
  3. Step 3: Cross multiply
    1,301,862.28x = 1,796,549.88 × 728,923
  4. Step 4: Simplify right side
    1,301,862.28x = 1,309,546,528,179.24
  5. Step 5: Solve for x
    x = 1,309,546,528,179.24/1,301,862.28
  6. Step 6: Final answer
    x = 1,005,902.50

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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.