Home / 1,108,604.80-1,662,907.20-929,243.46

Finding the Fourth Proportional to 1,108,604.80, 1,662,907.20 and 929,243.46

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Solution

The fourth proportional to 1,108,604.80, 1,662,907.20 and 929,243.46 is: 1,393,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,604.80 : 1,662,907.20 = 929,243.46 : x
  2. Step 2: Convert to fraction form
    1,108,604.80/1,662,907.20 = 929,243.46/x
  3. Step 3: Cross multiply
    1,108,604.80x = 1,662,907.20 × 929,243.46
  4. Step 4: Simplify right side
    1,108,604.80x = 1,545,245,640,186.91
  5. Step 5: Solve for x
    x = 1,545,245,640,186.91/1,108,604.80
  6. Step 6: Final answer
    x = 1,393,865.19

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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.