Home / 1,407,221.36-1,942,173.90-891,023.24

Finding the Fourth Proportional to 1,407,221.36, 1,942,173.90 and 891,023.24

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Solution

The fourth proportional to 1,407,221.36, 1,942,173.90 and 891,023.24 is: 1,229,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,221.36 : 1,942,173.90 = 891,023.24 : x
  2. Step 2: Convert to fraction form
    1,407,221.36/1,942,173.90 = 891,023.24/x
  3. Step 3: Cross multiply
    1,407,221.36x = 1,942,173.90 × 891,023.24
  4. Step 4: Simplify right side
    1,407,221.36x = 1,730,522,071,310.57
  5. Step 5: Solve for x
    x = 1,730,522,071,310.57/1,407,221.36
  6. Step 6: Final answer
    x = 1,229,744.04

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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.