Home / 746,685.45-1,120,026-185,719.95

Finding the Fourth Proportional to 746,685.45, 1,120,026 and 185,719.95

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Solution

The fourth proportional to 746,685.45, 1,120,026 and 185,719.95 is: 278,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,685.45 : 1,120,026 = 185,719.95 : x
  2. Step 2: Convert to fraction form
    746,685.45/1,120,026 = 185,719.95/x
  3. Step 3: Cross multiply
    746,685.45x = 1,120,026 × 185,719.95
  4. Step 4: Simplify right side
    746,685.45x = 208,011,172,718.70
  5. Step 5: Solve for x
    x = 208,011,172,718.70/746,685.45
  6. Step 6: Final answer
    x = 278,579.38

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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.