Home / 1,494,381.49-2,061,622.43-978,261.64

Finding the Fourth Proportional to 1,494,381.49, 2,061,622.43 and 978,261.64

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Solution

The fourth proportional to 1,494,381.49, 2,061,622.43 and 978,261.64 is: 1,349,592.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,381.49 : 2,061,622.43 = 978,261.64 : x
  2. Step 2: Convert to fraction form
    1,494,381.49/2,061,622.43 = 978,261.64/x
  3. Step 3: Cross multiply
    1,494,381.49x = 2,061,622.43 × 978,261.64
  4. Step 4: Simplify right side
    1,494,381.49x = 2,016,806,133,055.70
  5. Step 5: Solve for x
    x = 2,016,806,133,055.70/1,494,381.49
  6. Step 6: Final answer
    x = 1,349,592.56

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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.