Home / 1,098,371.10-1,647,556.65-625,979.10

Finding the Fourth Proportional to 1,098,371.10, 1,647,556.65 and 625,979.10

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Solution

The fourth proportional to 1,098,371.10, 1,647,556.65 and 625,979.10 is: 938,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,371.10 : 1,647,556.65 = 625,979.10 : x
  2. Step 2: Convert to fraction form
    1,098,371.10/1,647,556.65 = 625,979.10/x
  3. Step 3: Cross multiply
    1,098,371.10x = 1,647,556.65 × 625,979.10
  4. Step 4: Simplify right side
    1,098,371.10x = 1,031,336,028,966.01
  5. Step 5: Solve for x
    x = 1,031,336,028,966.01/1,098,371.10
  6. Step 6: Final answer
    x = 938,968.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.