Home / 1,000,175.56-1,500,311.68-326,255.56

Finding the Fourth Proportional to 1,000,175.56, 1,500,311.68 and 326,255.56

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Solution

The fourth proportional to 1,000,175.56, 1,500,311.68 and 326,255.56 is: 489,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,175.56 : 1,500,311.68 = 326,255.56 : x
  2. Step 2: Convert to fraction form
    1,000,175.56/1,500,311.68 = 326,255.56/x
  3. Step 3: Cross multiply
    1,000,175.56x = 1,500,311.68 × 326,255.56
  4. Step 4: Simplify right side
    1,000,175.56x = 489,485,027,332.94
  5. Step 5: Solve for x
    x = 489,485,027,332.94/1,000,175.56
  6. Step 6: Final answer
    x = 489,399.11

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1.5x scale

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.