Home / 1,079,275.46-1,618,631.10-320,912.69

Finding the Fourth Proportional to 1,079,275.46, 1,618,631.10 and 320,912.69

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Solution

The fourth proportional to 1,079,275.46, 1,618,631.10 and 320,912.69 is: 481,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,275.46 : 1,618,631.10 = 320,912.69 : x
  2. Step 2: Convert to fraction form
    1,079,275.46/1,618,631.10 = 320,912.69/x
  3. Step 3: Cross multiply
    1,079,275.46x = 1,618,631.10 × 320,912.69
  4. Step 4: Simplify right side
    1,079,275.46x = 519,439,252,325.50
  5. Step 5: Solve for x
    x = 519,439,252,325.50/1,079,275.46
  6. Step 6: Final answer
    x = 481,285.15

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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.