Home / 1,244,727.40-1,718,104.60-728,602

Finding the Fourth Proportional to 1,244,727.40, 1,718,104.60 and 728,602

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Solution

The fourth proportional to 1,244,727.40, 1,718,104.60 and 728,602 is: 1,005,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,727.40 : 1,718,104.60 = 728,602 : x
  2. Step 2: Convert to fraction form
    1,244,727.40/1,718,104.60 = 728,602/x
  3. Step 3: Cross multiply
    1,244,727.40x = 1,718,104.60 × 728,602
  4. Step 4: Simplify right side
    1,244,727.40x = 1,251,814,447,769.20
  5. Step 5: Solve for x
    x = 1,251,814,447,769.20/1,244,727.40
  6. Step 6: Final answer
    x = 1,005,693.65

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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.