Home / 1,386,091.72-2,077,922.80-666,074.80

Finding the Fourth Proportional to 1,386,091.72, 2,077,922.80 and 666,074.80

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Solution

The fourth proportional to 1,386,091.72, 2,077,922.80 and 666,074.80 is: 998,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,091.72 : 2,077,922.80 = 666,074.80 : x
  2. Step 2: Convert to fraction form
    1,386,091.72/2,077,922.80 = 666,074.80/x
  3. Step 3: Cross multiply
    1,386,091.72x = 2,077,922.80 × 666,074.80
  4. Step 4: Simplify right side
    1,386,091.72x = 1,384,052,013,425.44
  5. Step 5: Solve for x
    x = 1,384,052,013,425.44/1,386,091.72
  6. Step 6: Final answer
    x = 998,528.45

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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.