Home / 1,125,984.80-1,689,265.20-794,208.80

Finding the Fourth Proportional to 1,125,984.80, 1,689,265.20 and 794,208.80

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Solution

The fourth proportional to 1,125,984.80, 1,689,265.20 and 794,208.80 is: 1,191,516.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,984.80 : 1,689,265.20 = 794,208.80 : x
  2. Step 2: Convert to fraction form
    1,125,984.80/1,689,265.20 = 794,208.80/x
  3. Step 3: Cross multiply
    1,125,984.80x = 1,689,265.20 × 794,208.80
  4. Step 4: Simplify right side
    1,125,984.80x = 1,341,629,287,373.76
  5. Step 5: Solve for x
    x = 1,341,629,287,373.76/1,125,984.80
  6. Step 6: Final answer
    x = 1,191,516.34

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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.