Home / 1,007,142.05-1,511,170.02-922,000.32

Finding the Fourth Proportional to 1,007,142.05, 1,511,170.02 and 922,000.32

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Solution

The fourth proportional to 1,007,142.05, 1,511,170.02 and 922,000.32 is: 1,383,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,142.05 : 1,511,170.02 = 922,000.32 : x
  2. Step 2: Convert to fraction form
    1,007,142.05/1,511,170.02 = 922,000.32/x
  3. Step 3: Cross multiply
    1,007,142.05x = 1,511,170.02 × 922,000.32
  4. Step 4: Simplify right side
    1,007,142.05x = 1,393,299,242,014.41
  5. Step 5: Solve for x
    x = 1,393,299,242,014.41/1,007,142.05
  6. Step 6: Final answer
    x = 1,383,418.79

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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.