Home / 1,072,904.54-1,479,992.34-669,796.70

Finding the Fourth Proportional to 1,072,904.54, 1,479,992.34 and 669,796.70

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Solution

The fourth proportional to 1,072,904.54, 1,479,992.34 and 669,796.70 is: 923,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,904.54 : 1,479,992.34 = 669,796.70 : x
  2. Step 2: Convert to fraction form
    1,072,904.54/1,479,992.34 = 669,796.70/x
  3. Step 3: Cross multiply
    1,072,904.54x = 1,479,992.34 × 669,796.70
  4. Step 4: Simplify right side
    1,072,904.54x = 991,293,985,357.28
  5. Step 5: Solve for x
    x = 991,293,985,357.28/1,072,904.54
  6. Step 6: Final answer
    x = 923,934.93

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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.