Home / 1,198,925.76-1,798,492.32-489,002.88

Finding the Fourth Proportional to 1,198,925.76, 1,798,492.32 and 489,002.88

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Solution

The fourth proportional to 1,198,925.76, 1,798,492.32 and 489,002.88 is: 733,546.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,925.76 : 1,798,492.32 = 489,002.88 : x
  2. Step 2: Convert to fraction form
    1,198,925.76/1,798,492.32 = 489,002.88/x
  3. Step 3: Cross multiply
    1,198,925.76x = 1,798,492.32 × 489,002.88
  4. Step 4: Simplify right side
    1,198,925.76x = 879,467,924,137.88
  5. Step 5: Solve for x
    x = 879,467,924,137.88/1,198,925.76
  6. Step 6: Final answer
    x = 733,546.61

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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.