Home / 1,123,313.70-1,684,970.55-324,621.30

Finding the Fourth Proportional to 1,123,313.70, 1,684,970.55 and 324,621.30

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Solution

The fourth proportional to 1,123,313.70, 1,684,970.55 and 324,621.30 is: 486,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,313.70 : 1,684,970.55 = 324,621.30 : x
  2. Step 2: Convert to fraction form
    1,123,313.70/1,684,970.55 = 324,621.30/x
  3. Step 3: Cross multiply
    1,123,313.70x = 1,684,970.55 × 324,621.30
  4. Step 4: Simplify right side
    1,123,313.70x = 546,977,330,402.72
  5. Step 5: Solve for x
    x = 546,977,330,402.72/1,123,313.70
  6. Step 6: Final answer
    x = 486,931.95

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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.