Home / 1,042,214.20-1,563,321.30-615,311.80

Finding the Fourth Proportional to 1,042,214.20, 1,563,321.30 and 615,311.80

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Solution

The fourth proportional to 1,042,214.20, 1,563,321.30 and 615,311.80 is: 922,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,214.20 : 1,563,321.30 = 615,311.80 : x
  2. Step 2: Convert to fraction form
    1,042,214.20/1,563,321.30 = 615,311.80/x
  3. Step 3: Cross multiply
    1,042,214.20x = 1,563,321.30 × 615,311.80
  4. Step 4: Simplify right side
    1,042,214.20x = 961,930,043,081.34
  5. Step 5: Solve for x
    x = 961,930,043,081.34/1,042,214.20
  6. Step 6: Final answer
    x = 922,967.70

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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.