Home / 1,020,144.62-1,407,780.51-697,843.82

Finding the Fourth Proportional to 1,020,144.62, 1,407,780.51 and 697,843.82

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Solution

The fourth proportional to 1,020,144.62, 1,407,780.51 and 697,843.82 is: 963,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,144.62 : 1,407,780.51 = 697,843.82 : x
  2. Step 2: Convert to fraction form
    1,020,144.62/1,407,780.51 = 697,843.82/x
  3. Step 3: Cross multiply
    1,020,144.62x = 1,407,780.51 × 697,843.82
  4. Step 4: Simplify right side
    1,020,144.62x = 982,410,928,819.95
  5. Step 5: Solve for x
    x = 982,410,928,819.95/1,020,144.62
  6. Step 6: Final answer
    x = 963,011.43

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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.