Home / 1,172,032.32-1,617,112.80-682,082.40

Finding the Fourth Proportional to 1,172,032.32, 1,617,112.80 and 682,082.40

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Solution

The fourth proportional to 1,172,032.32, 1,617,112.80 and 682,082.40 is: 941,103.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,032.32 : 1,617,112.80 = 682,082.40 : x
  2. Step 2: Convert to fraction form
    1,172,032.32/1,617,112.80 = 682,082.40/x
  3. Step 3: Cross multiply
    1,172,032.32x = 1,617,112.80 × 682,082.40
  4. Step 4: Simplify right side
    1,172,032.32x = 1,103,004,179,694.72
  5. Step 5: Solve for x
    x = 1,103,004,179,694.72/1,172,032.32
  6. Step 6: Final answer
    x = 941,103.89

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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.