Home / 1,108,290.24-1,528,731.36-768,634.56

Finding the Fourth Proportional to 1,108,290.24, 1,528,731.36 and 768,634.56

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Solution

The fourth proportional to 1,108,290.24, 1,528,731.36 and 768,634.56 is: 1,060,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,290.24 : 1,528,731.36 = 768,634.56 : x
  2. Step 2: Convert to fraction form
    1,108,290.24/1,528,731.36 = 768,634.56/x
  3. Step 3: Cross multiply
    1,108,290.24x = 1,528,731.36 × 768,634.56
  4. Step 4: Simplify right side
    1,108,290.24x = 1,175,035,756,251.80
  5. Step 5: Solve for x
    x = 1,175,035,756,251.80/1,108,290.24
  6. Step 6: Final answer
    x = 1,060,223.86

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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.