Home / 1,072,400.40-1,607,218.20-651,229.20

Finding the Fourth Proportional to 1,072,400.40, 1,607,218.20 and 651,229.20

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Solution

The fourth proportional to 1,072,400.40, 1,607,218.20 and 651,229.20 is: 976,004.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,400.40 : 1,607,218.20 = 651,229.20 : x
  2. Step 2: Convert to fraction form
    1,072,400.40/1,607,218.20 = 651,229.20/x
  3. Step 3: Cross multiply
    1,072,400.40x = 1,607,218.20 × 651,229.20
  4. Step 4: Simplify right side
    1,072,400.40x = 1,046,667,422,611.44
  5. Step 5: Solve for x
    x = 1,046,667,422,611.44/1,072,400.40
  6. Step 6: Final answer
    x = 976,004.32

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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.