Home / 1,291,292.28-1,780,922.16-1,146,204

Finding the Fourth Proportional to 1,291,292.28, 1,780,922.16 and 1,146,204

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Solution

The fourth proportional to 1,291,292.28, 1,780,922.16 and 1,146,204 is: 1,580,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,292.28 : 1,780,922.16 = 1,146,204 : x
  2. Step 2: Convert to fraction form
    1,291,292.28/1,780,922.16 = 1,146,204/x
  3. Step 3: Cross multiply
    1,291,292.28x = 1,780,922.16 × 1,146,204
  4. Step 4: Simplify right side
    1,291,292.28x = 2,041,300,103,480.64
  5. Step 5: Solve for x
    x = 2,041,300,103,480.64/1,291,292.28
  6. Step 6: Final answer
    x = 1,580,819.57

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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.