Home / 1,002,650.64-1,503,065.55-371,121.60

Finding the Fourth Proportional to 1,002,650.64, 1,503,065.55 and 371,121.60

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Solution

The fourth proportional to 1,002,650.64, 1,503,065.55 and 371,121.60 is: 556,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,650.64 : 1,503,065.55 = 371,121.60 : x
  2. Step 2: Convert to fraction form
    1,002,650.64/1,503,065.55 = 371,121.60/x
  3. Step 3: Cross multiply
    1,002,650.64x = 1,503,065.55 × 371,121.60
  4. Step 4: Simplify right side
    1,002,650.64x = 557,820,091,820.88
  5. Step 5: Solve for x
    x = 557,820,091,820.88/1,002,650.64
  6. Step 6: Final answer
    x = 556,345.42

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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.