Home / 1,557,645.39-2,149,367.27-904,120.65

Finding the Fourth Proportional to 1,557,645.39, 2,149,367.27 and 904,120.65

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Solution

The fourth proportional to 1,557,645.39, 2,149,367.27 and 904,120.65 is: 1,247,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,645.39 : 2,149,367.27 = 904,120.65 : x
  2. Step 2: Convert to fraction form
    1,557,645.39/2,149,367.27 = 904,120.65/x
  3. Step 3: Cross multiply
    1,557,645.39x = 2,149,367.27 × 904,120.65
  4. Step 4: Simplify right side
    1,557,645.39x = 1,943,287,328,720.52
  5. Step 5: Solve for x
    x = 1,943,287,328,720.52/1,557,645.39
  6. Step 6: Final answer
    x = 1,247,580.06

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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.