Home / 1,222,685.20-1,834,108.80-324,114.40

Finding the Fourth Proportional to 1,222,685.20, 1,834,108.80 and 324,114.40

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Solution

The fourth proportional to 1,222,685.20, 1,834,108.80 and 324,114.40 is: 486,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,685.20 : 1,834,108.80 = 324,114.40 : x
  2. Step 2: Convert to fraction form
    1,222,685.20/1,834,108.80 = 324,114.40/x
  3. Step 3: Cross multiply
    1,222,685.20x = 1,834,108.80 × 324,114.40
  4. Step 4: Simplify right side
    1,222,685.20x = 594,461,073,246.72
  5. Step 5: Solve for x
    x = 594,461,073,246.72/1,222,685.20
  6. Step 6: Final answer
    x = 486,193.07

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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.