Home / 920,704.10-1,378,723.35-734,080.10

Finding the Fourth Proportional to 920,704.10, 1,378,723.35 and 734,080.10

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Solution

The fourth proportional to 920,704.10, 1,378,723.35 and 734,080.10 is: 1,099,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,704.10 : 1,378,723.35 = 734,080.10 : x
  2. Step 2: Convert to fraction form
    920,704.10/1,378,723.35 = 734,080.10/x
  3. Step 3: Cross multiply
    920,704.10x = 1,378,723.35 × 734,080.10
  4. Step 4: Simplify right side
    920,704.10x = 1,012,093,374,640.34
  5. Step 5: Solve for x
    x = 1,012,093,374,640.34/920,704.10
  6. Step 6: Final answer
    x = 1,099,260.20

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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.