Home / 1,166,734.80-1,750,102.20-728,678.70

Finding the Fourth Proportional to 1,166,734.80, 1,750,102.20 and 728,678.70

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Solution

The fourth proportional to 1,166,734.80, 1,750,102.20 and 728,678.70 is: 1,093,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,734.80 : 1,750,102.20 = 728,678.70 : x
  2. Step 2: Convert to fraction form
    1,166,734.80/1,750,102.20 = 728,678.70/x
  3. Step 3: Cross multiply
    1,166,734.80x = 1,750,102.20 × 728,678.70
  4. Step 4: Simplify right side
    1,166,734.80x = 1,275,262,195,963.14
  5. Step 5: Solve for x
    x = 1,275,262,195,963.14/1,166,734.80
  6. Step 6: Final answer
    x = 1,093,018.05

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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.