Home / 1,118,722.08-1,543,872.24-635,308.32

Finding the Fourth Proportional to 1,118,722.08, 1,543,872.24 and 635,308.32

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Solution

The fourth proportional to 1,118,722.08, 1,543,872.24 and 635,308.32 is: 876,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,722.08 : 1,543,872.24 = 635,308.32 : x
  2. Step 2: Convert to fraction form
    1,118,722.08/1,543,872.24 = 635,308.32/x
  3. Step 3: Cross multiply
    1,118,722.08x = 1,543,872.24 × 635,308.32
  4. Step 4: Simplify right side
    1,118,722.08x = 980,834,879,089.04
  5. Step 5: Solve for x
    x = 980,834,879,089.04/1,118,722.08
  6. Step 6: Final answer
    x = 876,745.79

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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.