Home / 1,385,144.40-2,074,217.40-1,105,208.40

Finding the Fourth Proportional to 1,385,144.40, 2,074,217.40 and 1,105,208.40

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Solution

The fourth proportional to 1,385,144.40, 2,074,217.40 and 1,105,208.40 is: 1,655,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,144.40 : 2,074,217.40 = 1,105,208.40 : x
  2. Step 2: Convert to fraction form
    1,385,144.40/2,074,217.40 = 1,105,208.40/x
  3. Step 3: Cross multiply
    1,385,144.40x = 2,074,217.40 × 1,105,208.40
  4. Step 4: Simplify right side
    1,385,144.40x = 2,292,442,493,906.16
  5. Step 5: Solve for x
    x = 2,292,442,493,906.16/1,385,144.40
  6. Step 6: Final answer
    x = 1,655,020.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.