Home / 1,071,171.41-1,478,262.76-641,369.41

Finding the Fourth Proportional to 1,071,171.41, 1,478,262.76 and 641,369.41

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Solution

The fourth proportional to 1,071,171.41, 1,478,262.76 and 641,369.41 is: 885,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,171.41 : 1,478,262.76 = 641,369.41 : x
  2. Step 2: Convert to fraction form
    1,071,171.41/1,478,262.76 = 641,369.41/x
  3. Step 3: Cross multiply
    1,071,171.41x = 1,478,262.76 × 641,369.41
  4. Step 4: Simplify right side
    1,071,171.41x = 948,112,508,907.09
  5. Step 5: Solve for x
    x = 948,112,508,907.09/1,071,171.41
  6. Step 6: Final answer
    x = 885,117.46

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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.