Home / 1,078,436.30-1,617,654.45-829,604.30

Finding the Fourth Proportional to 1,078,436.30, 1,617,654.45 and 829,604.30

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Solution

The fourth proportional to 1,078,436.30, 1,617,654.45 and 829,604.30 is: 1,244,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,436.30 : 1,617,654.45 = 829,604.30 : x
  2. Step 2: Convert to fraction form
    1,078,436.30/1,617,654.45 = 829,604.30/x
  3. Step 3: Cross multiply
    1,078,436.30x = 1,617,654.45 × 829,604.30
  4. Step 4: Simplify right side
    1,078,436.30x = 1,342,013,087,634.14
  5. Step 5: Solve for x
    x = 1,342,013,087,634.14/1,078,436.30
  6. Step 6: Final answer
    x = 1,244,406.45

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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.