Home / 1,634,910.50-2,450,774.67-781,761.80

Finding the Fourth Proportional to 1,634,910.50, 2,450,774.67 and 781,761.80

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Solution

The fourth proportional to 1,634,910.50, 2,450,774.67 and 781,761.80 is: 1,171,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,910.50 : 2,450,774.67 = 781,761.80 : x
  2. Step 2: Convert to fraction form
    1,634,910.50/2,450,774.67 = 781,761.80/x
  3. Step 3: Cross multiply
    1,634,910.50x = 2,450,774.67 × 781,761.80
  4. Step 4: Simplify right side
    1,634,910.50x = 1,915,922,005,159.73
  5. Step 5: Solve for x
    x = 1,915,922,005,159.73/1,634,910.50
  6. Step 6: Final answer
    x = 1,171,881.89

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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.