Home / 1,363,779.20-1,881,886.82-790,757.25

Finding the Fourth Proportional to 1,363,779.20, 1,881,886.82 and 790,757.25

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Solution

The fourth proportional to 1,363,779.20, 1,881,886.82 and 790,757.25 is: 1,091,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,779.20 : 1,881,886.82 = 790,757.25 : x
  2. Step 2: Convert to fraction form
    1,363,779.20/1,881,886.82 = 790,757.25/x
  3. Step 3: Cross multiply
    1,363,779.20x = 1,881,886.82 × 790,757.25
  4. Step 4: Simplify right side
    1,363,779.20x = 1,488,115,642,640.66
  5. Step 5: Solve for x
    x = 1,488,115,642,640.66/1,363,779.20
  6. Step 6: Final answer
    x = 1,091,170.51

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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.