Home / 1,351,707.36-2,026,478.46-677,442.54

Finding the Fourth Proportional to 1,351,707.36, 2,026,478.46 and 677,442.54

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Solution

The fourth proportional to 1,351,707.36, 2,026,478.46 and 677,442.54 is: 1,015,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,707.36 : 2,026,478.46 = 677,442.54 : x
  2. Step 2: Convert to fraction form
    1,351,707.36/2,026,478.46 = 677,442.54/x
  3. Step 3: Cross multiply
    1,351,707.36x = 2,026,478.46 × 677,442.54
  4. Step 4: Simplify right side
    1,351,707.36x = 1,372,822,715,197.69
  5. Step 5: Solve for x
    x = 1,372,822,715,197.69/1,351,707.36
  6. Step 6: Final answer
    x = 1,015,621.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.