Home / 1,328,261.10-1,992,002.85-475,233.90

Finding the Fourth Proportional to 1,328,261.10, 1,992,002.85 and 475,233.90

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Solution

The fourth proportional to 1,328,261.10, 1,992,002.85 and 475,233.90 is: 712,711.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,261.10 : 1,992,002.85 = 475,233.90 : x
  2. Step 2: Convert to fraction form
    1,328,261.10/1,992,002.85 = 475,233.90/x
  3. Step 3: Cross multiply
    1,328,261.10x = 1,992,002.85 × 475,233.90
  4. Step 4: Simplify right side
    1,328,261.10x = 946,667,283,216.62
  5. Step 5: Solve for x
    x = 946,667,283,216.62/1,328,261.10
  6. Step 6: Final answer
    x = 712,711.74

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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.