Home / 1,270,300.78-1,752,950.70-754,076.74

Finding the Fourth Proportional to 1,270,300.78, 1,752,950.70 and 754,076.74

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Solution

The fourth proportional to 1,270,300.78, 1,752,950.70 and 754,076.74 is: 1,040,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,300.78 : 1,752,950.70 = 754,076.74 : x
  2. Step 2: Convert to fraction form
    1,270,300.78/1,752,950.70 = 754,076.74/x
  3. Step 3: Cross multiply
    1,270,300.78x = 1,752,950.70 × 754,076.74
  4. Step 4: Simplify right side
    1,270,300.78x = 1,321,859,349,236.72
  5. Step 5: Solve for x
    x = 1,321,859,349,236.72/1,270,300.78
  6. Step 6: Final answer
    x = 1,040,587.69

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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.