Home / 1,000,171.56-1,500,305.67-326,251.56

Finding the Fourth Proportional to 1,000,171.56, 1,500,305.67 and 326,251.56

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Solution

The fourth proportional to 1,000,171.56, 1,500,305.67 and 326,251.56 is: 489,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,171.56 : 1,500,305.67 = 326,251.56 : x
  2. Step 2: Convert to fraction form
    1,000,171.56/1,500,305.67 = 326,251.56/x
  3. Step 3: Cross multiply
    1,000,171.56x = 1,500,305.67 × 326,251.56
  4. Step 4: Simplify right side
    1,000,171.56x = 489,477,065,314.35
  5. Step 5: Solve for x
    x = 489,477,065,314.35/1,000,171.56
  6. Step 6: Final answer
    x = 489,393.11

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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.