Home / 1,211,251.94-1,817,159.02-412,540.40

Finding the Fourth Proportional to 1,211,251.94, 1,817,159.02 and 412,540.40

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Solution

The fourth proportional to 1,211,251.94, 1,817,159.02 and 412,540.40 is: 618,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,251.94 : 1,817,159.02 = 412,540.40 : x
  2. Step 2: Convert to fraction form
    1,211,251.94/1,817,159.02 = 412,540.40/x
  3. Step 3: Cross multiply
    1,211,251.94x = 1,817,159.02 × 412,540.40
  4. Step 4: Simplify right side
    1,211,251.94x = 749,651,508,974.41
  5. Step 5: Solve for x
    x = 749,651,508,974.41/1,211,251.94
  6. Step 6: Final answer
    x = 618,906.34

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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.