Home / 1,275,421.70-1,760,046.48-694,632.12

Finding the Fourth Proportional to 1,275,421.70, 1,760,046.48 and 694,632.12

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Solution

The fourth proportional to 1,275,421.70, 1,760,046.48 and 694,632.12 is: 958,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,421.70 : 1,760,046.48 = 694,632.12 : x
  2. Step 2: Convert to fraction form
    1,275,421.70/1,760,046.48 = 694,632.12/x
  3. Step 3: Cross multiply
    1,275,421.70x = 1,760,046.48 × 694,632.12
  4. Step 4: Simplify right side
    1,275,421.70x = 1,222,584,817,700.94
  5. Step 5: Solve for x
    x = 1,222,584,817,700.94/1,275,421.70
  6. Step 6: Final answer
    x = 958,573.01

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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.