Home / 1,079,580.92-1,619,373.31-280,861.19

Finding the Fourth Proportional to 1,079,580.92, 1,619,373.31 and 280,861.19

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Solution

The fourth proportional to 1,079,580.92, 1,619,373.31 and 280,861.19 is: 421,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,580.92 : 1,619,373.31 = 280,861.19 : x
  2. Step 2: Convert to fraction form
    1,079,580.92/1,619,373.31 = 280,861.19/x
  3. Step 3: Cross multiply
    1,079,580.92x = 1,619,373.31 × 280,861.19
  4. Step 4: Simplify right side
    1,079,580.92x = 454,819,114,900.84
  5. Step 5: Solve for x
    x = 454,819,114,900.84/1,079,580.92
  6. Step 6: Final answer
    x = 421,292.29

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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.