Home / 1,494,944.71-2,062,306.10-978,471.23

Finding the Fourth Proportional to 1,494,944.71, 2,062,306.10 and 978,471.23

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Solution

The fourth proportional to 1,494,944.71, 2,062,306.10 and 978,471.23 is: 1,349,820.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,944.71 : 2,062,306.10 = 978,471.23 : x
  2. Step 2: Convert to fraction form
    1,494,944.71/2,062,306.10 = 978,471.23/x
  3. Step 3: Cross multiply
    1,494,944.71x = 2,062,306.10 × 978,471.23
  4. Step 4: Simplify right side
    1,494,944.71x = 2,017,907,178,438.15
  5. Step 5: Solve for x
    x = 2,017,907,178,438.15/1,494,944.71
  6. Step 6: Final answer
    x = 1,349,820.61

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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.