Home / 1,123,351.02-1,684,693.62-324,639.72

Finding the Fourth Proportional to 1,123,351.02, 1,684,693.62 and 324,639.72

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Solution

The fourth proportional to 1,123,351.02, 1,684,693.62 and 324,639.72 is: 486,863.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,351.02 : 1,684,693.62 = 324,639.72 : x
  2. Step 2: Convert to fraction form
    1,123,351.02/1,684,693.62 = 324,639.72/x
  3. Step 3: Cross multiply
    1,123,351.02x = 1,684,693.62 × 324,639.72
  4. Step 4: Simplify right side
    1,123,351.02x = 546,918,465,082.59
  5. Step 5: Solve for x
    x = 546,918,465,082.59/1,123,351.02
  6. Step 6: Final answer
    x = 486,863.37

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1.5x scale

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.