Home / 1,107,370.80-1,657,119.60-768,823.20

Finding the Fourth Proportional to 1,107,370.80, 1,657,119.60 and 768,823.20

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Solution

The fourth proportional to 1,107,370.80, 1,657,119.60 and 768,823.20 is: 1,150,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,370.80 : 1,657,119.60 = 768,823.20 : x
  2. Step 2: Convert to fraction form
    1,107,370.80/1,657,119.60 = 768,823.20/x
  3. Step 3: Cross multiply
    1,107,370.80x = 1,657,119.60 × 768,823.20
  4. Step 4: Simplify right side
    1,107,370.80x = 1,274,031,993,654.72
  5. Step 5: Solve for x
    x = 1,274,031,993,654.72/1,107,370.80
  6. Step 6: Final answer
    x = 1,150,501.71

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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.