Home / 1,208,039.49-1,667,059.25-664,174.71

Finding the Fourth Proportional to 1,208,039.49, 1,667,059.25 and 664,174.71

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Solution

The fourth proportional to 1,208,039.49, 1,667,059.25 and 664,174.71 is: 916,541.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,039.49 : 1,667,059.25 = 664,174.71 : x
  2. Step 2: Convert to fraction form
    1,208,039.49/1,667,059.25 = 664,174.71/x
  3. Step 3: Cross multiply
    1,208,039.49x = 1,667,059.25 × 664,174.71
  4. Step 4: Simplify right side
    1,208,039.49x = 1,107,218,590,600.69
  5. Step 5: Solve for x
    x = 1,107,218,590,600.69/1,208,039.49
  6. Step 6: Final answer
    x = 916,541.72

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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.