Home / 1,275,467.69-1,760,178.77-694,712.84

Finding the Fourth Proportional to 1,275,467.69, 1,760,178.77 and 694,712.84

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Solution

The fourth proportional to 1,275,467.69, 1,760,178.77 and 694,712.84 is: 958,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,467.69 : 1,760,178.77 = 694,712.84 : x
  2. Step 2: Convert to fraction form
    1,275,467.69/1,760,178.77 = 694,712.84/x
  3. Step 3: Cross multiply
    1,275,467.69x = 1,760,178.77 × 694,712.84
  4. Step 4: Simplify right side
    1,275,467.69x = 1,222,818,788,740.84
  5. Step 5: Solve for x
    x = 1,222,818,788,740.84/1,275,467.69
  6. Step 6: Final answer
    x = 958,721.89

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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.