Home / 1,223,346.31-1,687,537.39-1,136,748.40

Finding the Fourth Proportional to 1,223,346.31, 1,687,537.39 and 1,136,748.40

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Solution

The fourth proportional to 1,223,346.31, 1,687,537.39 and 1,136,748.40 is: 1,568,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,346.31 : 1,687,537.39 = 1,136,748.40 : x
  2. Step 2: Convert to fraction form
    1,223,346.31/1,687,537.39 = 1,136,748.40/x
  3. Step 3: Cross multiply
    1,223,346.31x = 1,687,537.39 × 1,136,748.40
  4. Step 4: Simplify right side
    1,223,346.31x = 1,918,305,428,022.68
  5. Step 5: Solve for x
    x = 1,918,305,428,022.68/1,223,346.31
  6. Step 6: Final answer
    x = 1,568,080.45

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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.