Home / 1,557,531-2,149,380.27-904,217.64

Finding the Fourth Proportional to 1,557,531, 2,149,380.27 and 904,217.64

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Solution

The fourth proportional to 1,557,531, 2,149,380.27 and 904,217.64 is: 1,247,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,531 : 2,149,380.27 = 904,217.64 : x
  2. Step 2: Convert to fraction form
    1,557,531/2,149,380.27 = 904,217.64/x
  3. Step 3: Cross multiply
    1,557,531x = 2,149,380.27 × 904,217.64
  4. Step 4: Simplify right side
    1,557,531x = 1,943,507,555,201.96
  5. Step 5: Solve for x
    x = 1,943,507,555,201.96/1,557,531
  6. Step 6: Final answer
    x = 1,247,813.08

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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.