Home / 1,040,077.20-1,560,000.60-292,198.80

Finding the Fourth Proportional to 1,040,077.20, 1,560,000.60 and 292,198.80

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Solution

The fourth proportional to 1,040,077.20, 1,560,000.60 and 292,198.80 is: 438,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,077.20 : 1,560,000.60 = 292,198.80 : x
  2. Step 2: Convert to fraction form
    1,040,077.20/1,560,000.60 = 292,198.80/x
  3. Step 3: Cross multiply
    1,040,077.20x = 1,560,000.60 × 292,198.80
  4. Step 4: Simplify right side
    1,040,077.20x = 455,830,303,319.28
  5. Step 5: Solve for x
    x = 455,830,303,319.28/1,040,077.20
  6. Step 6: Final answer
    x = 438,265.84

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1.5x scale

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.