Home / 1,634,910.25-2,450,774.30-781,761.55

Finding the Fourth Proportional to 1,634,910.25, 2,450,774.30 and 781,761.55

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Solution

The fourth proportional to 1,634,910.25, 2,450,774.30 and 781,761.55 is: 1,171,881.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,910.25 : 2,450,774.30 = 781,761.55 : x
  2. Step 2: Convert to fraction form
    1,634,910.25/2,450,774.30 = 781,761.55/x
  3. Step 3: Cross multiply
    1,634,910.25x = 2,450,774.30 × 781,761.55
  4. Step 4: Simplify right side
    1,634,910.25x = 1,915,921,103,214.29
  5. Step 5: Solve for x
    x = 1,915,921,103,214.29/1,634,910.25
  6. Step 6: Final answer
    x = 1,171,881.52

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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.