Home / 1,184,839.46-1,635,074.90-640,975.13

Finding the Fourth Proportional to 1,184,839.46, 1,635,074.90 and 640,975.13

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Solution

The fourth proportional to 1,184,839.46, 1,635,074.90 and 640,975.13 is: 884,543.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,839.46 : 1,635,074.90 = 640,975.13 : x
  2. Step 2: Convert to fraction form
    1,184,839.46/1,635,074.90 = 640,975.13/x
  3. Step 3: Cross multiply
    1,184,839.46x = 1,635,074.90 × 640,975.13
  4. Step 4: Simplify right side
    1,184,839.46x = 1,048,042,347,470.05
  5. Step 5: Solve for x
    x = 1,048,042,347,470.05/1,184,839.46
  6. Step 6: Final answer
    x = 884,543.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.