Home / 1,441,239.46-1,988,910.90-787,868.35

Finding the Fourth Proportional to 1,441,239.46, 1,988,910.90 and 787,868.35

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Solution

The fourth proportional to 1,441,239.46, 1,988,910.90 and 787,868.35 is: 1,087,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,239.46 : 1,988,910.90 = 787,868.35 : x
  2. Step 2: Convert to fraction form
    1,441,239.46/1,988,910.90 = 787,868.35/x
  3. Step 3: Cross multiply
    1,441,239.46x = 1,988,910.90 × 787,868.35
  4. Step 4: Simplify right side
    1,441,239.46x = 1,566,999,944,107.74
  5. Step 5: Solve for x
    x = 1,566,999,944,107.74/1,441,239.46
  6. Step 6: Final answer
    x = 1,087,258.56

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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.