Home / 1,278,442.23-1,764,552.23-734,893.35

Finding the Fourth Proportional to 1,278,442.23, 1,764,552.23 and 734,893.35

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Solution

The fourth proportional to 1,278,442.23, 1,764,552.23 and 734,893.35 is: 1,014,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,442.23 : 1,764,552.23 = 734,893.35 : x
  2. Step 2: Convert to fraction form
    1,278,442.23/1,764,552.23 = 734,893.35/x
  3. Step 3: Cross multiply
    1,278,442.23x = 1,764,552.23 × 734,893.35
  4. Step 4: Simplify right side
    1,278,442.23x = 1,296,757,701,391.90
  5. Step 5: Solve for x
    x = 1,296,757,701,391.90/1,278,442.23
  6. Step 6: Final answer
    x = 1,014,326.40

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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.