Home / 1,098,246.78-1,514,799.36-1,007,894.52

Finding the Fourth Proportional to 1,098,246.78, 1,514,799.36 and 1,007,894.52

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Solution

The fourth proportional to 1,098,246.78, 1,514,799.36 and 1,007,894.52 is: 1,390,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,246.78 : 1,514,799.36 = 1,007,894.52 : x
  2. Step 2: Convert to fraction form
    1,098,246.78/1,514,799.36 = 1,007,894.52/x
  3. Step 3: Cross multiply
    1,098,246.78x = 1,514,799.36 × 1,007,894.52
  4. Step 4: Simplify right side
    1,098,246.78x = 1,526,757,973,843.51
  5. Step 5: Solve for x
    x = 1,526,757,973,843.51/1,098,246.78
  6. Step 6: Final answer
    x = 1,390,177.51

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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.