Home / 920,672.60-1,378,676.10-734,048.60

Finding the Fourth Proportional to 920,672.60, 1,378,676.10 and 734,048.60

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Solution

The fourth proportional to 920,672.60, 1,378,676.10 and 734,048.60 is: 1,099,212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,672.60 : 1,378,676.10 = 734,048.60 : x
  2. Step 2: Convert to fraction form
    920,672.60/1,378,676.10 = 734,048.60/x
  3. Step 3: Cross multiply
    920,672.60x = 1,378,676.10 × 734,048.60
  4. Step 4: Simplify right side
    920,672.60x = 1,012,015,261,058.46
  5. Step 5: Solve for x
    x = 1,012,015,261,058.46/920,672.60
  6. Step 6: Final answer
    x = 1,099,212.97

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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.