Home / 1,187,247.87-1,780,846.83-288,694.26

Finding the Fourth Proportional to 1,187,247.87, 1,780,846.83 and 288,694.26

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Solution

The fourth proportional to 1,187,247.87, 1,780,846.83 and 288,694.26 is: 433,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,247.87 : 1,780,846.83 = 288,694.26 : x
  2. Step 2: Convert to fraction form
    1,187,247.87/1,780,846.83 = 288,694.26/x
  3. Step 3: Cross multiply
    1,187,247.87x = 1,780,846.83 × 288,694.26
  4. Step 4: Simplify right side
    1,187,247.87x = 514,120,257,760.20
  5. Step 5: Solve for x
    x = 514,120,257,760.20/1,187,247.87
  6. Step 6: Final answer
    x = 433,035.32

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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.