Home / 1,321,277.40-1,981,916.10-1,050,672.60

Finding the Fourth Proportional to 1,321,277.40, 1,981,916.10 and 1,050,672.60

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Solution

The fourth proportional to 1,321,277.40, 1,981,916.10 and 1,050,672.60 is: 1,576,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,277.40 : 1,981,916.10 = 1,050,672.60 : x
  2. Step 2: Convert to fraction form
    1,321,277.40/1,981,916.10 = 1,050,672.60/x
  3. Step 3: Cross multiply
    1,321,277.40x = 1,981,916.10 × 1,050,672.60
  4. Step 4: Simplify right side
    1,321,277.40x = 2,082,344,941,768.86
  5. Step 5: Solve for x
    x = 2,082,344,941,768.86/1,321,277.40
  6. Step 6: Final answer
    x = 1,576,008.90

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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.