Home / 1,347,754.29-2,021,921.51-388,203.27

Finding the Fourth Proportional to 1,347,754.29, 2,021,921.51 and 388,203.27

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Solution

The fourth proportional to 1,347,754.29, 2,021,921.51 and 388,203.27 is: 582,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,754.29 : 2,021,921.51 = 388,203.27 : x
  2. Step 2: Convert to fraction form
    1,347,754.29/2,021,921.51 = 388,203.27/x
  3. Step 3: Cross multiply
    1,347,754.29x = 2,021,921.51 × 388,203.27
  4. Step 4: Simplify right side
    1,347,754.29x = 784,916,539,924.32
  5. Step 5: Solve for x
    x = 784,916,539,924.32/1,347,754.29
  6. Step 6: Final answer
    x = 582,388.46

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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.