Home / 1,167,387.84-1,751,168.16-419,440.32

Finding the Fourth Proportional to 1,167,387.84, 1,751,168.16 and 419,440.32

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Solution

The fourth proportional to 1,167,387.84, 1,751,168.16 and 419,440.32 is: 629,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,387.84 : 1,751,168.16 = 419,440.32 : x
  2. Step 2: Convert to fraction form
    1,167,387.84/1,751,168.16 = 419,440.32/x
  3. Step 3: Cross multiply
    1,167,387.84x = 1,751,168.16 × 419,440.32
  4. Step 4: Simplify right side
    1,167,387.84x = 734,510,533,404.21
  5. Step 5: Solve for x
    x = 734,510,533,404.21/1,167,387.84
  6. Step 6: Final answer
    x = 629,191.52

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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.