Home / 1,181,622.74-1,772,621.52-423,447.85

Finding the Fourth Proportional to 1,181,622.74, 1,772,621.52 and 423,447.85

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Solution

The fourth proportional to 1,181,622.74, 1,772,621.52 and 423,447.85 is: 635,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,622.74 : 1,772,621.52 = 423,447.85 : x
  2. Step 2: Convert to fraction form
    1,181,622.74/1,772,621.52 = 423,447.85/x
  3. Step 3: Cross multiply
    1,181,622.74x = 1,772,621.52 × 423,447.85
  4. Step 4: Simplify right side
    1,181,622.74x = 750,612,772,135.58
  5. Step 5: Solve for x
    x = 750,612,772,135.58/1,181,622.74
  6. Step 6: Final answer
    x = 635,238.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.