Home / 1,230,090.28-1,845,124.44-388,642

Finding the Fourth Proportional to 1,230,090.28, 1,845,124.44 and 388,642

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Solution

The fourth proportional to 1,230,090.28, 1,845,124.44 and 388,642 is: 582,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,090.28 : 1,845,124.44 = 388,642 : x
  2. Step 2: Convert to fraction form
    1,230,090.28/1,845,124.44 = 388,642/x
  3. Step 3: Cross multiply
    1,230,090.28x = 1,845,124.44 × 388,642
  4. Step 4: Simplify right side
    1,230,090.28x = 717,092,852,610.48
  5. Step 5: Solve for x
    x = 717,092,852,610.48/1,230,090.28
  6. Step 6: Final answer
    x = 582,959.53

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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.