Home / 1,494,384.87-2,061,627.09-978,265.02

Finding the Fourth Proportional to 1,494,384.87, 2,061,627.09 and 978,265.02

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Solution

The fourth proportional to 1,494,384.87, 2,061,627.09 and 978,265.02 is: 1,349,597.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,384.87 : 2,061,627.09 = 978,265.02 : x
  2. Step 2: Convert to fraction form
    1,494,384.87/2,061,627.09 = 978,265.02/x
  3. Step 3: Cross multiply
    1,494,384.87x = 2,061,627.09 × 978,265.02
  4. Step 4: Simplify right side
    1,494,384.87x = 2,016,817,666,431.39
  5. Step 5: Solve for x
    x = 2,016,817,666,431.39/1,494,384.87
  6. Step 6: Final answer
    x = 1,349,597.22

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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.