Home / 1,387,201.30-2,077,691.55-1,200,577.30

Finding the Fourth Proportional to 1,387,201.30, 2,077,691.55 and 1,200,577.30

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Solution

The fourth proportional to 1,387,201.30, 2,077,691.55 and 1,200,577.30 is: 1,798,174.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,201.30 : 2,077,691.55 = 1,200,577.30 : x
  2. Step 2: Convert to fraction form
    1,387,201.30/2,077,691.55 = 1,200,577.30/x
  3. Step 3: Cross multiply
    1,387,201.30x = 2,077,691.55 × 1,200,577.30
  4. Step 4: Simplify right side
    1,387,201.30x = 2,494,429,311,331.82
  5. Step 5: Solve for x
    x = 2,494,429,311,331.82/1,387,201.30
  6. Step 6: Final answer
    x = 1,798,174.00

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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.