Home / 1,731,090-2,388,912.13-946,172.09

Finding the Fourth Proportional to 1,731,090, 2,388,912.13 and 946,172.09

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Solution

The fourth proportional to 1,731,090, 2,388,912.13 and 946,172.09 is: 1,305,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,090 : 2,388,912.13 = 946,172.09 : x
  2. Step 2: Convert to fraction form
    1,731,090/2,388,912.13 = 946,172.09/x
  3. Step 3: Cross multiply
    1,731,090x = 2,388,912.13 × 946,172.09
  4. Step 4: Simplify right side
    1,731,090x = 2,260,321,986,475.30
  5. Step 5: Solve for x
    x = 2,260,321,986,475.30/1,731,090
  6. Step 6: Final answer
    x = 1,305,721.82

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1.5x scale

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.