Home / 1,191,228.63-1,787,176.47-481,754.90

Finding the Fourth Proportional to 1,191,228.63, 1,787,176.47 and 481,754.90

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Solution

The fourth proportional to 1,191,228.63, 1,787,176.47 and 481,754.90 is: 722,767.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,228.63 : 1,787,176.47 = 481,754.90 : x
  2. Step 2: Convert to fraction form
    1,191,228.63/1,787,176.47 = 481,754.90/x
  3. Step 3: Cross multiply
    1,191,228.63x = 1,787,176.47 × 481,754.90
  4. Step 4: Simplify right side
    1,191,228.63x = 860,981,012,651.32
  5. Step 5: Solve for x
    x = 860,981,012,651.32/1,191,228.63
  6. Step 6: Final answer
    x = 722,767.23

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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.