Home / 1,142,278.76-1,576,354.08-632,989.64

Finding the Fourth Proportional to 1,142,278.76, 1,576,354.08 and 632,989.64

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Solution

The fourth proportional to 1,142,278.76, 1,576,354.08 and 632,989.64 is: 873,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,278.76 : 1,576,354.08 = 632,989.64 : x
  2. Step 2: Convert to fraction form
    1,142,278.76/1,576,354.08 = 632,989.64/x
  3. Step 3: Cross multiply
    1,142,278.76x = 1,576,354.08 × 632,989.64
  4. Step 4: Simplify right side
    1,142,278.76x = 997,815,801,611.73
  5. Step 5: Solve for x
    x = 997,815,801,611.73/1,142,278.76
  6. Step 6: Final answer
    x = 873,530.91

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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.