Home / 1,050,467.69-1,449,625.73-642,539.57

Finding the Fourth Proportional to 1,050,467.69, 1,449,625.73 and 642,539.57

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Solution

The fourth proportional to 1,050,467.69, 1,449,625.73 and 642,539.57 is: 886,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,467.69 : 1,449,625.73 = 642,539.57 : x
  2. Step 2: Convert to fraction form
    1,050,467.69/1,449,625.73 = 642,539.57/x
  3. Step 3: Cross multiply
    1,050,467.69x = 1,449,625.73 × 642,539.57
  4. Step 4: Simplify right side
    1,050,467.69x = 931,441,882,754.31
  5. Step 5: Solve for x
    x = 931,441,882,754.31/1,050,467.69
  6. Step 6: Final answer
    x = 886,692.56

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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.