Home / 1,129,614.40-1,694,410.80-276,689.80

Finding the Fourth Proportional to 1,129,614.40, 1,694,410.80 and 276,689.80

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Solution

The fourth proportional to 1,129,614.40, 1,694,410.80 and 276,689.80 is: 415,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,614.40 : 1,694,410.80 = 276,689.80 : x
  2. Step 2: Convert to fraction form
    1,129,614.40/1,694,410.80 = 276,689.80/x
  3. Step 3: Cross multiply
    1,129,614.40x = 1,694,410.80 × 276,689.80
  4. Step 4: Simplify right side
    1,129,614.40x = 468,826,185,369.84
  5. Step 5: Solve for x
    x = 468,826,185,369.84/1,129,614.40
  6. Step 6: Final answer
    x = 415,032.05

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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.