Home / 1,120,246.72-1,679,824.32-372,040

Finding the Fourth Proportional to 1,120,246.72, 1,679,824.32 and 372,040

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Solution

The fourth proportional to 1,120,246.72, 1,679,824.32 and 372,040 is: 557,878.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,246.72 : 1,679,824.32 = 372,040 : x
  2. Step 2: Convert to fraction form
    1,120,246.72/1,679,824.32 = 372,040/x
  3. Step 3: Cross multiply
    1,120,246.72x = 1,679,824.32 × 372,040
  4. Step 4: Simplify right side
    1,120,246.72x = 624,961,840,012.80
  5. Step 5: Solve for x
    x = 624,961,840,012.80/1,120,246.72
  6. Step 6: Final answer
    x = 557,878.75

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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.