Home / 1,142,117.22-1,576,121.78-632,819.60

Finding the Fourth Proportional to 1,142,117.22, 1,576,121.78 and 632,819.60

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Solution

The fourth proportional to 1,142,117.22, 1,576,121.78 and 632,819.60 is: 873,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,117.22 : 1,576,121.78 = 632,819.60 : x
  2. Step 2: Convert to fraction form
    1,142,117.22/1,576,121.78 = 632,819.60/x
  3. Step 3: Cross multiply
    1,142,117.22x = 1,576,121.78 × 632,819.60
  4. Step 4: Simplify right side
    1,142,117.22x = 997,400,753,982.79
  5. Step 5: Solve for x
    x = 997,400,753,982.79/1,142,117.22
  6. Step 6: Final answer
    x = 873,291.05

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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.