Home / 1,225,141.76-1,837,800.21-326,578.88

Finding the Fourth Proportional to 1,225,141.76, 1,837,800.21 and 326,578.88

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Solution

The fourth proportional to 1,225,141.76, 1,837,800.21 and 326,578.88 is: 489,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,141.76 : 1,837,800.21 = 326,578.88 : x
  2. Step 2: Convert to fraction form
    1,225,141.76/1,837,800.21 = 326,578.88/x
  3. Step 3: Cross multiply
    1,225,141.76x = 1,837,800.21 × 326,578.88
  4. Step 4: Simplify right side
    1,225,141.76x = 600,186,734,245.57
  5. Step 5: Solve for x
    x = 600,186,734,245.57/1,225,141.76
  6. Step 6: Final answer
    x = 489,891.66

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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.