Home / 1,247,832.19-1,722,008.40-674,872.36

Finding the Fourth Proportional to 1,247,832.19, 1,722,008.40 and 674,872.36

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Solution

The fourth proportional to 1,247,832.19, 1,722,008.40 and 674,872.36 is: 931,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,832.19 : 1,722,008.40 = 674,872.36 : x
  2. Step 2: Convert to fraction form
    1,247,832.19/1,722,008.40 = 674,872.36/x
  3. Step 3: Cross multiply
    1,247,832.19x = 1,722,008.40 × 674,872.36
  4. Step 4: Simplify right side
    1,247,832.19x = 1,162,135,872,847.82
  5. Step 5: Solve for x
    x = 1,162,135,872,847.82/1,247,832.19
  6. Step 6: Final answer
    x = 931,323.84

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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.