Home / 1,100,340.88-1,518,474.52-641,772.06

Finding the Fourth Proportional to 1,100,340.88, 1,518,474.52 and 641,772.06

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Solution

The fourth proportional to 1,100,340.88, 1,518,474.52 and 641,772.06 is: 885,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,340.88 : 1,518,474.52 = 641,772.06 : x
  2. Step 2: Convert to fraction form
    1,100,340.88/1,518,474.52 = 641,772.06/x
  3. Step 3: Cross multiply
    1,100,340.88x = 1,518,474.52 × 641,772.06
  4. Step 4: Simplify right side
    1,100,340.88x = 974,514,520,757.91
  5. Step 5: Solve for x
    x = 974,514,520,757.91/1,100,340.88
  6. Step 6: Final answer
    x = 885,647.84

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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.