Home / 1,775,818.40-2,661,103.20-1,508,129.60

Finding the Fourth Proportional to 1,775,818.40, 2,661,103.20 and 1,508,129.60

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Solution

The fourth proportional to 1,775,818.40, 2,661,103.20 and 1,508,129.60 is: 2,259,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,818.40 : 2,661,103.20 = 1,508,129.60 : x
  2. Step 2: Convert to fraction form
    1,775,818.40/2,661,103.20 = 1,508,129.60/x
  3. Step 3: Cross multiply
    1,775,818.40x = 2,661,103.20 × 1,508,129.60
  4. Step 4: Simplify right side
    1,775,818.40x = 4,013,288,504,574.72
  5. Step 5: Solve for x
    x = 4,013,288,504,574.72/1,775,818.40
  6. Step 6: Final answer
    x = 2,259,965.60

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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.