Home / 1,478,905.63-2,040,889.77-799,842.13

Finding the Fourth Proportional to 1,478,905.63, 2,040,889.77 and 799,842.13

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Solution

The fourth proportional to 1,478,905.63, 2,040,889.77 and 799,842.13 is: 1,103,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,905.63 : 2,040,889.77 = 799,842.13 : x
  2. Step 2: Convert to fraction form
    1,478,905.63/2,040,889.77 = 799,842.13/x
  3. Step 3: Cross multiply
    1,478,905.63x = 2,040,889.77 × 799,842.13
  4. Step 4: Simplify right side
    1,478,905.63x = 1,632,389,610,527.56
  5. Step 5: Solve for x
    x = 1,632,389,610,527.56/1,478,905.63
  6. Step 6: Final answer
    x = 1,103,782.14

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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.