Home / 1,580,278.31-2,180,789.86-855,126.04

Finding the Fourth Proportional to 1,580,278.31, 2,180,789.86 and 855,126.04

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Solution

The fourth proportional to 1,580,278.31, 2,180,789.86 and 855,126.04 is: 1,180,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,278.31 : 2,180,789.86 = 855,126.04 : x
  2. Step 2: Convert to fraction form
    1,580,278.31/2,180,789.86 = 855,126.04/x
  3. Step 3: Cross multiply
    1,580,278.31x = 2,180,789.86 × 855,126.04
  4. Step 4: Simplify right side
    1,580,278.31x = 1,864,850,189,464.16
  5. Step 5: Solve for x
    x = 1,864,850,189,464.16/1,580,278.31
  6. Step 6: Final answer
    x = 1,180,077.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.