Home / 1,123,291.20-1,684,936.80-324,598.80

Finding the Fourth Proportional to 1,123,291.20, 1,684,936.80 and 324,598.80

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Solution

The fourth proportional to 1,123,291.20, 1,684,936.80 and 324,598.80 is: 486,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,291.20 : 1,684,936.80 = 324,598.80 : x
  2. Step 2: Convert to fraction form
    1,123,291.20/1,684,936.80 = 324,598.80/x
  3. Step 3: Cross multiply
    1,123,291.20x = 1,684,936.80 × 324,598.80
  4. Step 4: Simplify right side
    1,123,291.20x = 546,928,463,355.84
  5. Step 5: Solve for x
    x = 546,928,463,355.84/1,123,291.20
  6. Step 6: Final answer
    x = 486,898.20

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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.