Home / 1,741,975.42-2,403,864.12-978,061.18

Finding the Fourth Proportional to 1,741,975.42, 2,403,864.12 and 978,061.18

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Solution

The fourth proportional to 1,741,975.42, 2,403,864.12 and 978,061.18 is: 1,349,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741,975.42 : 2,403,864.12 = 978,061.18 : x
  2. Step 2: Convert to fraction form
    1,741,975.42/2,403,864.12 = 978,061.18/x
  3. Step 3: Cross multiply
    1,741,975.42x = 2,403,864.12 × 978,061.18
  4. Step 4: Simplify right side
    1,741,975.42x = 2,351,126,177,766.86
  5. Step 5: Solve for x
    x = 2,351,126,177,766.86/1,741,975.42
  6. Step 6: Final answer
    x = 1,349,689.64

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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.