Home / 1,122,272.43-1,548,181.02-663,164.89

Finding the Fourth Proportional to 1,122,272.43, 1,548,181.02 and 663,164.89

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Solution

The fourth proportional to 1,122,272.43, 1,548,181.02 and 663,164.89 is: 914,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,272.43 : 1,548,181.02 = 663,164.89 : x
  2. Step 2: Convert to fraction form
    1,122,272.43/1,548,181.02 = 663,164.89/x
  3. Step 3: Cross multiply
    1,122,272.43x = 1,548,181.02 × 663,164.89
  4. Step 4: Simplify right side
    1,122,272.43x = 1,026,699,294,444.80
  5. Step 5: Solve for x
    x = 1,026,699,294,444.80/1,122,272.43
  6. Step 6: Final answer
    x = 914,839.63

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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.