Home / 1,270,161.41-1,752,823.61-689,384.55

Finding the Fourth Proportional to 1,270,161.41, 1,752,823.61 and 689,384.55

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Solution

The fourth proportional to 1,270,161.41, 1,752,823.61 and 689,384.55 is: 951,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,161.41 : 1,752,823.61 = 689,384.55 : x
  2. Step 2: Convert to fraction form
    1,270,161.41/1,752,823.61 = 689,384.55/x
  3. Step 3: Cross multiply
    1,270,161.41x = 1,752,823.61 × 689,384.55
  4. Step 4: Simplify right side
    1,270,161.41x = 1,208,369,515,609.23
  5. Step 5: Solve for x
    x = 1,208,369,515,609.23/1,270,161.41
  6. Step 6: Final answer
    x = 951,351.15

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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.