Home / 1,391,713.79-2,084,026.83-916,959.83

Finding the Fourth Proportional to 1,391,713.79, 2,084,026.83 and 916,959.83

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Solution

The fourth proportional to 1,391,713.79, 2,084,026.83 and 916,959.83 is: 1,373,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,713.79 : 2,084,026.83 = 916,959.83 : x
  2. Step 2: Convert to fraction form
    1,391,713.79/2,084,026.83 = 916,959.83/x
  3. Step 3: Cross multiply
    1,391,713.79x = 2,084,026.83 × 916,959.83
  4. Step 4: Simplify right side
    1,391,713.79x = 1,910,968,887,752.24
  5. Step 5: Solve for x
    x = 1,910,968,887,752.24/1,391,713.79
  6. Step 6: Final answer
    x = 1,373,104.80

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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.