Home / 1,342,138.47-1,851,445.31-797,887.14

Finding the Fourth Proportional to 1,342,138.47, 1,851,445.31 and 797,887.14

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Solution

The fourth proportional to 1,342,138.47, 1,851,445.31 and 797,887.14 is: 1,100,664.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,138.47 : 1,851,445.31 = 797,887.14 : x
  2. Step 2: Convert to fraction form
    1,342,138.47/1,851,445.31 = 797,887.14/x
  3. Step 3: Cross multiply
    1,342,138.47x = 1,851,445.31 × 797,887.14
  4. Step 4: Simplify right side
    1,342,138.47x = 1,477,244,399,272.88
  5. Step 5: Solve for x
    x = 1,477,244,399,272.88/1,342,138.47
  6. Step 6: Final answer
    x = 1,100,664.67

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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.