Home / 1,227,124.80-1,840,687.20-849,211.20

Finding the Fourth Proportional to 1,227,124.80, 1,840,687.20 and 849,211.20

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Solution

The fourth proportional to 1,227,124.80, 1,840,687.20 and 849,211.20 is: 1,273,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,124.80 : 1,840,687.20 = 849,211.20 : x
  2. Step 2: Convert to fraction form
    1,227,124.80/1,840,687.20 = 849,211.20/x
  3. Step 3: Cross multiply
    1,227,124.80x = 1,840,687.20 × 849,211.20
  4. Step 4: Simplify right side
    1,227,124.80x = 1,563,132,185,936.64
  5. Step 5: Solve for x
    x = 1,563,132,185,936.64/1,227,124.80
  6. Step 6: Final answer
    x = 1,273,816.80

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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.