Home / 1,118,182.38-1,542,686.46-634,467.36

Finding the Fourth Proportional to 1,118,182.38, 1,542,686.46 and 634,467.36

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Solution

The fourth proportional to 1,118,182.38, 1,542,686.46 and 634,467.36 is: 875,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,182.38 : 1,542,686.46 = 634,467.36 : x
  2. Step 2: Convert to fraction form
    1,118,182.38/1,542,686.46 = 634,467.36/x
  3. Step 3: Cross multiply
    1,118,182.38x = 1,542,686.46 × 634,467.36
  4. Step 4: Simplify right side
    1,118,182.38x = 978,784,205,583.95
  5. Step 5: Solve for x
    x = 978,784,205,583.95/1,118,182.38
  6. Step 6: Final answer
    x = 875,335.03

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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.