Home / 1,071,418.10-1,478,459.27-635,760.37

Finding the Fourth Proportional to 1,071,418.10, 1,478,459.27 and 635,760.37

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Solution

The fourth proportional to 1,071,418.10, 1,478,459.27 and 635,760.37 is: 877,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,418.10 : 1,478,459.27 = 635,760.37 : x
  2. Step 2: Convert to fraction form
    1,071,418.10/1,478,459.27 = 635,760.37/x
  3. Step 3: Cross multiply
    1,071,418.10x = 1,478,459.27 × 635,760.37
  4. Step 4: Simplify right side
    1,071,418.10x = 939,945,810,418.38
  5. Step 5: Solve for x
    x = 939,945,810,418.38/1,071,418.10
  6. Step 6: Final answer
    x = 877,291.33

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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.