Home / 1,206,990.72-1,810,825.02-354,082.50

Finding the Fourth Proportional to 1,206,990.72, 1,810,825.02 and 354,082.50

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Solution

The fourth proportional to 1,206,990.72, 1,810,825.02 and 354,082.50 is: 531,223.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,990.72 : 1,810,825.02 = 354,082.50 : x
  2. Step 2: Convert to fraction form
    1,206,990.72/1,810,825.02 = 354,082.50/x
  3. Step 3: Cross multiply
    1,206,990.72x = 1,810,825.02 × 354,082.50
  4. Step 4: Simplify right side
    1,206,990.72x = 641,181,450,144.15
  5. Step 5: Solve for x
    x = 641,181,450,144.15/1,206,990.72
  6. Step 6: Final answer
    x = 531,223.18

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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.