Home / 1,077,868.80-1,615,053.60-677,793.60

Finding the Fourth Proportional to 1,077,868.80, 1,615,053.60 and 677,793.60

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Solution

The fourth proportional to 1,077,868.80, 1,615,053.60 and 677,793.60 is: 1,015,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,868.80 : 1,615,053.60 = 677,793.60 : x
  2. Step 2: Convert to fraction form
    1,077,868.80/1,615,053.60 = 677,793.60/x
  3. Step 3: Cross multiply
    1,077,868.80x = 1,615,053.60 × 677,793.60
  4. Step 4: Simplify right side
    1,077,868.80x = 1,094,672,993,736.96
  5. Step 5: Solve for x
    x = 1,094,672,993,736.96/1,077,868.80
  6. Step 6: Final answer
    x = 1,015,590.20

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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.