Home / 1,386,201.20-2,077,066.20-785,375.60

Finding the Fourth Proportional to 1,386,201.20, 2,077,066.20 and 785,375.60

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Solution

The fourth proportional to 1,386,201.20, 2,077,066.20 and 785,375.60 is: 1,176,796.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,201.20 : 2,077,066.20 = 785,375.60 : x
  2. Step 2: Convert to fraction form
    1,386,201.20/2,077,066.20 = 785,375.60/x
  3. Step 3: Cross multiply
    1,386,201.20x = 2,077,066.20 × 785,375.60
  4. Step 4: Simplify right side
    1,386,201.20x = 1,631,277,113,064.72
  5. Step 5: Solve for x
    x = 1,631,277,113,064.72/1,386,201.20
  6. Step 6: Final answer
    x = 1,176,796.78

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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.