Home / 1,092,642.45-1,638,963.68-620,250.45

Finding the Fourth Proportional to 1,092,642.45, 1,638,963.68 and 620,250.45

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Solution

The fourth proportional to 1,092,642.45, 1,638,963.68 and 620,250.45 is: 930,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,642.45 : 1,638,963.68 = 620,250.45 : x
  2. Step 2: Convert to fraction form
    1,092,642.45/1,638,963.68 = 620,250.45/x
  3. Step 3: Cross multiply
    1,092,642.45x = 1,638,963.68 × 620,250.45
  4. Step 4: Simplify right side
    1,092,642.45x = 1,016,567,956,952.40
  5. Step 5: Solve for x
    x = 1,016,567,956,952.40/1,092,642.45
  6. Step 6: Final answer
    x = 930,375.68

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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.