Home / 1,244,721.55-1,718,096.61-728,596.30

Finding the Fourth Proportional to 1,244,721.55, 1,718,096.61 and 728,596.30

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Solution

The fourth proportional to 1,244,721.55, 1,718,096.61 and 728,596.30 is: 1,005,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,721.55 : 1,718,096.61 = 728,596.30 : x
  2. Step 2: Convert to fraction form
    1,244,721.55/1,718,096.61 = 728,596.30/x
  3. Step 3: Cross multiply
    1,244,721.55x = 1,718,096.61 × 728,596.30
  4. Step 4: Simplify right side
    1,244,721.55x = 1,251,798,833,088.54
  5. Step 5: Solve for x
    x = 1,251,798,833,088.54/1,244,721.55
  6. Step 6: Final answer
    x = 1,005,685.84

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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.