Home / 1,478,903.92-2,040,887.41-799,840.42

Finding the Fourth Proportional to 1,478,903.92, 2,040,887.41 and 799,840.42

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Solution

The fourth proportional to 1,478,903.92, 2,040,887.41 and 799,840.42 is: 1,103,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,903.92 : 2,040,887.41 = 799,840.42 : x
  2. Step 2: Convert to fraction form
    1,478,903.92/2,040,887.41 = 799,840.42/x
  3. Step 3: Cross multiply
    1,478,903.92x = 2,040,887.41 × 799,840.42
  4. Step 4: Simplify right side
    1,478,903.92x = 1,632,384,236,085.29
  5. Step 5: Solve for x
    x = 1,632,384,236,085.29/1,478,903.92
  6. Step 6: Final answer
    x = 1,103,779.78

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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.