Home / 1,107,625.20-1,660,125.60-826,814.40

Finding the Fourth Proportional to 1,107,625.20, 1,660,125.60 and 826,814.40

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Solution

The fourth proportional to 1,107,625.20, 1,660,125.60 and 826,814.40 is: 1,239,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,625.20 : 1,660,125.60 = 826,814.40 : x
  2. Step 2: Convert to fraction form
    1,107,625.20/1,660,125.60 = 826,814.40/x
  3. Step 3: Cross multiply
    1,107,625.20x = 1,660,125.60 × 826,814.40
  4. Step 4: Simplify right side
    1,107,625.20x = 1,372,615,751,888.64
  5. Step 5: Solve for x
    x = 1,372,615,751,888.64/1,107,625.20
  6. Step 6: Final answer
    x = 1,239,242.08

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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.