Home / 1,331,090.16-1,836,900.36-727,478.16

Finding the Fourth Proportional to 1,331,090.16, 1,836,900.36 and 727,478.16

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Solution

The fourth proportional to 1,331,090.16, 1,836,900.36 and 727,478.16 is: 1,003,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,090.16 : 1,836,900.36 = 727,478.16 : x
  2. Step 2: Convert to fraction form
    1,331,090.16/1,836,900.36 = 727,478.16/x
  3. Step 3: Cross multiply
    1,331,090.16x = 1,836,900.36 × 727,478.16
  4. Step 4: Simplify right side
    1,331,090.16x = 1,336,304,893,996.14
  5. Step 5: Solve for x
    x = 1,336,304,893,996.14/1,331,090.16
  6. Step 6: Final answer
    x = 1,003,917.64

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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.