Home / 1,072,678.55-1,608,992.91-540,056.57

Finding the Fourth Proportional to 1,072,678.55, 1,608,992.91 and 540,056.57

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Solution

The fourth proportional to 1,072,678.55, 1,608,992.91 and 540,056.57 is: 810,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,678.55 : 1,608,992.91 = 540,056.57 : x
  2. Step 2: Convert to fraction form
    1,072,678.55/1,608,992.91 = 540,056.57/x
  3. Step 3: Cross multiply
    1,072,678.55x = 1,608,992.91 × 540,056.57
  4. Step 4: Simplify right side
    1,072,678.55x = 868,947,184,083.95
  5. Step 5: Solve for x
    x = 868,947,184,083.95/1,072,678.55
  6. Step 6: Final answer
    x = 810,072.31

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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.