Home / 1,131,677.28-1,565,826.97-986,785.20

Finding the Fourth Proportional to 1,131,677.28, 1,565,826.97 and 986,785.20

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Solution

The fourth proportional to 1,131,677.28, 1,565,826.97 and 986,785.20 is: 1,365,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,677.28 : 1,565,826.97 = 986,785.20 : x
  2. Step 2: Convert to fraction form
    1,131,677.28/1,565,826.97 = 986,785.20/x
  3. Step 3: Cross multiply
    1,131,677.28x = 1,565,826.97 × 986,785.20
  4. Step 4: Simplify right side
    1,131,677.28x = 1,545,134,879,756.84
  5. Step 5: Solve for x
    x = 1,545,134,879,756.84/1,131,677.28
  6. Step 6: Final answer
    x = 1,365,349.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.