Home / 906,122.25-1,356,226.00-666,172.71

Finding the Fourth Proportional to 906,122.25, 1,356,226.00 and 666,172.71

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Solution

The fourth proportional to 906,122.25, 1,356,226.00 and 666,172.71 is: 997,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,122.25 : 1,356,226.00 = 666,172.71 : x
  2. Step 2: Convert to fraction form
    906,122.25/1,356,226.00 = 666,172.71/x
  3. Step 3: Cross multiply
    906,122.25x = 1,356,226.00 × 666,172.71
  4. Step 4: Simplify right side
    906,122.25x = 903,480,748,127.03
  5. Step 5: Solve for x
    x = 903,480,748,127.03/906,122.25
  6. Step 6: Final answer
    x = 997,084.83

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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.