Home / 1,247,833.25-1,722,009.86-674,873.42

Finding the Fourth Proportional to 1,247,833.25, 1,722,009.86 and 674,873.42

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Solution

The fourth proportional to 1,247,833.25, 1,722,009.86 and 674,873.42 is: 931,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,833.25 : 1,722,009.86 = 674,873.42 : x
  2. Step 2: Convert to fraction form
    1,247,833.25/1,722,009.86 = 674,873.42/x
  3. Step 3: Cross multiply
    1,247,833.25x = 1,722,009.86 × 674,873.42
  4. Step 4: Simplify right side
    1,247,833.25x = 1,162,138,671,507.50
  5. Step 5: Solve for x
    x = 1,162,138,671,507.50/1,247,833.25
  6. Step 6: Final answer
    x = 931,325.30

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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.