Home / 1,260,321.32-1,739,174.28-716,381.48

Finding the Fourth Proportional to 1,260,321.32, 1,739,174.28 and 716,381.48

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Solution

The fourth proportional to 1,260,321.32, 1,739,174.28 and 716,381.48 is: 988,567.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,321.32 : 1,739,174.28 = 716,381.48 : x
  2. Step 2: Convert to fraction form
    1,260,321.32/1,739,174.28 = 716,381.48/x
  3. Step 3: Cross multiply
    1,260,321.32x = 1,739,174.28 × 716,381.48
  4. Step 4: Simplify right side
    1,260,321.32x = 1,245,912,244,684.33
  5. Step 5: Solve for x
    x = 1,245,912,244,684.33/1,260,321.32
  6. Step 6: Final answer
    x = 988,567.14

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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.