Home / 1,050,992.38-1,450,605.73-688,205.53

Finding the Fourth Proportional to 1,050,992.38, 1,450,605.73 and 688,205.53

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Solution

The fourth proportional to 1,050,992.38, 1,450,605.73 and 688,205.53 is: 949,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,992.38 : 1,450,605.73 = 688,205.53 : x
  2. Step 2: Convert to fraction form
    1,050,992.38/1,450,605.73 = 688,205.53/x
  3. Step 3: Cross multiply
    1,050,992.38x = 1,450,605.73 × 688,205.53
  4. Step 4: Simplify right side
    1,050,992.38x = 998,314,877,982.66
  5. Step 5: Solve for x
    x = 998,314,877,982.66/1,050,992.38
  6. Step 6: Final answer
    x = 949,878.33

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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.