Home / 1,123,322.80-1,684,984.20-324,630.40

Finding the Fourth Proportional to 1,123,322.80, 1,684,984.20 and 324,630.40

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Solution

The fourth proportional to 1,123,322.80, 1,684,984.20 and 324,630.40 is: 486,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,322.80 : 1,684,984.20 = 324,630.40 : x
  2. Step 2: Convert to fraction form
    1,123,322.80/1,684,984.20 = 324,630.40/x
  3. Step 3: Cross multiply
    1,123,322.80x = 1,684,984.20 × 324,630.40
  4. Step 4: Simplify right side
    1,123,322.80x = 546,997,094,839.68
  5. Step 5: Solve for x
    x = 546,997,094,839.68/1,123,322.80
  6. Step 6: Final answer
    x = 486,945.60

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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.