Home / 1,478,905.43-2,040,889.49-799,841.93

Finding the Fourth Proportional to 1,478,905.43, 2,040,889.49 and 799,841.93

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Solution

The fourth proportional to 1,478,905.43, 2,040,889.49 and 799,841.93 is: 1,103,781.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,905.43 : 2,040,889.49 = 799,841.93 : x
  2. Step 2: Convert to fraction form
    1,478,905.43/2,040,889.49 = 799,841.93/x
  3. Step 3: Cross multiply
    1,478,905.43x = 2,040,889.49 × 799,841.93
  4. Step 4: Simplify right side
    1,478,905.43x = 1,632,388,974,394.66
  5. Step 5: Solve for x
    x = 1,632,388,974,394.66/1,478,905.43
  6. Step 6: Final answer
    x = 1,103,781.86

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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.