Home / 1,229,205.20-1,843,807.80-756,157.10

Finding the Fourth Proportional to 1,229,205.20, 1,843,807.80 and 756,157.10

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Solution

The fourth proportional to 1,229,205.20, 1,843,807.80 and 756,157.10 is: 1,134,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,205.20 : 1,843,807.80 = 756,157.10 : x
  2. Step 2: Convert to fraction form
    1,229,205.20/1,843,807.80 = 756,157.10/x
  3. Step 3: Cross multiply
    1,229,205.20x = 1,843,807.80 × 756,157.10
  4. Step 4: Simplify right side
    1,229,205.20x = 1,394,208,359,005.38
  5. Step 5: Solve for x
    x = 1,394,208,359,005.38/1,229,205.20
  6. Step 6: Final answer
    x = 1,134,235.65

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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.