Home / 1,391,962.75-2,088,101.82-1,248,929.27

Finding the Fourth Proportional to 1,391,962.75, 2,088,101.82 and 1,248,929.27

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Solution

The fourth proportional to 1,391,962.75, 2,088,101.82 and 1,248,929.27 is: 1,873,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,962.75 : 2,088,101.82 = 1,248,929.27 : x
  2. Step 2: Convert to fraction form
    1,391,962.75/2,088,101.82 = 1,248,929.27/x
  3. Step 3: Cross multiply
    1,391,962.75x = 2,088,101.82 × 1,248,929.27
  4. Step 4: Simplify right side
    1,391,962.75x = 2,607,891,481,738.27
  5. Step 5: Solve for x
    x = 2,607,891,481,738.27/1,391,962.75
  6. Step 6: Final answer
    x = 1,873,535.40

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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.