Home / 1,557,350.66-2,149,164.26-904,129.30

Finding the Fourth Proportional to 1,557,350.66, 2,149,164.26 and 904,129.30

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Solution

The fourth proportional to 1,557,350.66, 2,149,164.26 and 904,129.30 is: 1,247,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,350.66 : 2,149,164.26 = 904,129.30 : x
  2. Step 2: Convert to fraction form
    1,557,350.66/2,149,164.26 = 904,129.30/x
  3. Step 3: Cross multiply
    1,557,350.66x = 2,149,164.26 × 904,129.30
  4. Step 4: Simplify right side
    1,557,350.66x = 1,943,122,377,978.82
  5. Step 5: Solve for x
    x = 1,943,122,377,978.82/1,557,350.66
  6. Step 6: Final answer
    x = 1,247,710.25

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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.