Home / 1,555,069.44-2,146,005.78-866,784.93

Finding the Fourth Proportional to 1,555,069.44, 2,146,005.78 and 866,784.93

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Solution

The fourth proportional to 1,555,069.44, 2,146,005.78 and 866,784.93 is: 1,196,168.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,069.44 : 2,146,005.78 = 866,784.93 : x
  2. Step 2: Convert to fraction form
    1,555,069.44/2,146,005.78 = 866,784.93/x
  3. Step 3: Cross multiply
    1,555,069.44x = 2,146,005.78 × 866,784.93
  4. Step 4: Simplify right side
    1,555,069.44x = 1,860,125,469,796.90
  5. Step 5: Solve for x
    x = 1,860,125,469,796.90/1,555,069.44
  6. Step 6: Final answer
    x = 1,196,168.75

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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.