Home / 1,321,424.20-1,982,136.30-849,032.20

Finding the Fourth Proportional to 1,321,424.20, 1,982,136.30 and 849,032.20

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Solution

The fourth proportional to 1,321,424.20, 1,982,136.30 and 849,032.20 is: 1,273,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,424.20 : 1,982,136.30 = 849,032.20 : x
  2. Step 2: Convert to fraction form
    1,321,424.20/1,982,136.30 = 849,032.20/x
  3. Step 3: Cross multiply
    1,321,424.20x = 1,982,136.30 × 849,032.20
  4. Step 4: Simplify right side
    1,321,424.20x = 1,682,897,543,488.86
  5. Step 5: Solve for x
    x = 1,682,897,543,488.86/1,321,424.20
  6. Step 6: Final answer
    x = 1,273,548.30

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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.