Home / 1,207,078.50-1,810,898.00-354,115.70

Finding the Fourth Proportional to 1,207,078.50, 1,810,898.00 and 354,115.70

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Solution

The fourth proportional to 1,207,078.50, 1,810,898.00 and 354,115.70 is: 531,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,078.50 : 1,810,898.00 = 354,115.70 : x
  2. Step 2: Convert to fraction form
    1,207,078.50/1,810,898.00 = 354,115.70/x
  3. Step 3: Cross multiply
    1,207,078.50x = 1,810,898.00 × 354,115.70
  4. Step 4: Simplify right side
    1,207,078.50x = 641,267,408,788.80
  5. Step 5: Solve for x
    x = 641,267,408,788.80/1,207,078.50
  6. Step 6: Final answer
    x = 531,255.76

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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.