Home / 1,687,700.07-2,328,775.66-1,025,067.36

Finding the Fourth Proportional to 1,687,700.07, 2,328,775.66 and 1,025,067.36

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Solution

The fourth proportional to 1,687,700.07, 2,328,775.66 and 1,025,067.36 is: 1,414,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,700.07 : 2,328,775.66 = 1,025,067.36 : x
  2. Step 2: Convert to fraction form
    1,687,700.07/2,328,775.66 = 1,025,067.36/x
  3. Step 3: Cross multiply
    1,687,700.07x = 2,328,775.66 × 1,025,067.36
  4. Step 4: Simplify right side
    1,687,700.07x = 2,387,151,917,828.46
  5. Step 5: Solve for x
    x = 2,387,151,917,828.46/1,687,700.07
  6. Step 6: Final answer
    x = 1,414,440.85

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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.