Home / 1,684,289-2,324,324.87-920,342.56

Finding the Fourth Proportional to 1,684,289, 2,324,324.87 and 920,342.56

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Solution

The fourth proportional to 1,684,289, 2,324,324.87 and 920,342.56 is: 1,270,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,289 : 2,324,324.87 = 920,342.56 : x
  2. Step 2: Convert to fraction form
    1,684,289/2,324,324.87 = 920,342.56/x
  3. Step 3: Cross multiply
    1,684,289x = 2,324,324.87 × 920,342.56
  4. Step 4: Simplify right side
    1,684,289x = 2,139,175,101,127.47
  5. Step 5: Solve for x
    x = 2,139,175,101,127.47/1,684,289
  6. Step 6: Final answer
    x = 1,270,076.04

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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.