Home / 1,391,715-2,084,028.63-916,961.04

Finding the Fourth Proportional to 1,391,715, 2,084,028.63 and 916,961.04

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Solution

The fourth proportional to 1,391,715, 2,084,028.63 and 916,961.04 is: 1,373,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,715 : 2,084,028.63 = 916,961.04 : x
  2. Step 2: Convert to fraction form
    1,391,715/2,084,028.63 = 916,961.04/x
  3. Step 3: Cross multiply
    1,391,715x = 2,084,028.63 × 916,961.04
  4. Step 4: Simplify right side
    1,391,715x = 1,910,973,059,954.58
  5. Step 5: Solve for x
    x = 1,910,973,059,954.58/1,391,715
  6. Step 6: Final answer
    x = 1,373,106.61

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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.