Home / 1,079,166.96-1,618,724.16-280,445.76

Finding the Fourth Proportional to 1,079,166.96, 1,618,724.16 and 280,445.76

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Solution

The fourth proportional to 1,079,166.96, 1,618,724.16 and 280,445.76 is: 420,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,166.96 : 1,618,724.16 = 280,445.76 : x
  2. Step 2: Convert to fraction form
    1,079,166.96/1,618,724.16 = 280,445.76/x
  3. Step 3: Cross multiply
    1,079,166.96x = 1,618,724.16 × 280,445.76
  4. Step 4: Simplify right side
    1,079,166.96x = 453,964,327,281.56
  5. Step 5: Solve for x
    x = 453,964,327,281.56/1,079,166.96
  6. Step 6: Final answer
    x = 420,661.81

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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.