Home / 1,203,150.31-1,804,836.80-393,539.31

Finding the Fourth Proportional to 1,203,150.31, 1,804,836.80 and 393,539.31

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Solution

The fourth proportional to 1,203,150.31, 1,804,836.80 and 393,539.31 is: 590,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,150.31 : 1,804,836.80 = 393,539.31 : x
  2. Step 2: Convert to fraction form
    1,203,150.31/1,804,836.80 = 393,539.31/x
  3. Step 3: Cross multiply
    1,203,150.31x = 1,804,836.80 × 393,539.31
  4. Step 4: Simplify right side
    1,203,150.31x = 710,274,229,918.46
  5. Step 5: Solve for x
    x = 710,274,229,918.46/1,203,150.31
  6. Step 6: Final answer
    x = 590,345.38

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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.