Home / 906,084.81-1,356,169.89-666,135.27

Finding the Fourth Proportional to 906,084.81, 1,356,169.89 and 666,135.27

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Solution

The fourth proportional to 906,084.81, 1,356,169.89 and 666,135.27 is: 997,028.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,084.81 : 1,356,169.89 = 666,135.27 : x
  2. Step 2: Convert to fraction form
    906,084.81/1,356,169.89 = 666,135.27/x
  3. Step 3: Cross multiply
    906,084.81x = 1,356,169.89 × 666,135.27
  4. Step 4: Simplify right side
    906,084.81x = 903,392,595,841.02
  5. Step 5: Solve for x
    x = 903,392,595,841.02/906,084.81
  6. Step 6: Final answer
    x = 997,028.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.