Home / 1,678,508.28-2,519,957.34-996,640.20

Finding the Fourth Proportional to 1,678,508.28, 2,519,957.34 and 996,640.20

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Solution

The fourth proportional to 1,678,508.28, 2,519,957.34 and 996,640.20 is: 1,496,263.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,508.28 : 2,519,957.34 = 996,640.20 : x
  2. Step 2: Convert to fraction form
    1,678,508.28/2,519,957.34 = 996,640.20/x
  3. Step 3: Cross multiply
    1,678,508.28x = 2,519,957.34 × 996,640.20
  4. Step 4: Simplify right side
    1,678,508.28x = 2,511,490,787,329.07
  5. Step 5: Solve for x
    x = 2,511,490,787,329.07/1,678,508.28
  6. Step 6: Final answer
    x = 1,496,263.57

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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.