Home / 1,245,772.20-1,868,658.30-1,233,962.40

Finding the Fourth Proportional to 1,245,772.20, 1,868,658.30 and 1,233,962.40

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Solution

The fourth proportional to 1,245,772.20, 1,868,658.30 and 1,233,962.40 is: 1,850,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,772.20 : 1,868,658.30 = 1,233,962.40 : x
  2. Step 2: Convert to fraction form
    1,245,772.20/1,868,658.30 = 1,233,962.40/x
  3. Step 3: Cross multiply
    1,245,772.20x = 1,868,658.30 × 1,233,962.40
  4. Step 4: Simplify right side
    1,245,772.20x = 2,305,854,080,647.92
  5. Step 5: Solve for x
    x = 2,305,854,080,647.92/1,245,772.20
  6. Step 6: Final answer
    x = 1,850,943.60

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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.