Home / 1,123,313.30-1,684,969.95-324,620.90

Finding the Fourth Proportional to 1,123,313.30, 1,684,969.95 and 324,620.90

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Solution

The fourth proportional to 1,123,313.30, 1,684,969.95 and 324,620.90 is: 486,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,313.30 : 1,684,969.95 = 324,620.90 : x
  2. Step 2: Convert to fraction form
    1,123,313.30/1,684,969.95 = 324,620.90/x
  3. Step 3: Cross multiply
    1,123,313.30x = 1,684,969.95 × 324,620.90
  4. Step 4: Simplify right side
    1,123,313.30x = 546,976,461,641.96
  5. Step 5: Solve for x
    x = 546,976,461,641.96/1,123,313.30
  6. Step 6: Final answer
    x = 486,931.35

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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.