Home / 1,478,984.36-2,040,998.56-799,920.86

Finding the Fourth Proportional to 1,478,984.36, 2,040,998.56 and 799,920.86

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Solution

The fourth proportional to 1,478,984.36, 2,040,998.56 and 799,920.86 is: 1,103,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,984.36 : 2,040,998.56 = 799,920.86 : x
  2. Step 2: Convert to fraction form
    1,478,984.36/2,040,998.56 = 799,920.86/x
  3. Step 3: Cross multiply
    1,478,984.36x = 2,040,998.56 × 799,920.86
  4. Step 4: Simplify right side
    1,478,984.36x = 1,632,637,311,169.17
  5. Step 5: Solve for x
    x = 1,632,637,311,169.17/1,478,984.36
  6. Step 6: Final answer
    x = 1,103,890.86

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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.