Home / 1,182,739.26-1,632,179.91-638,875.07

Finding the Fourth Proportional to 1,182,739.26, 1,632,179.91 and 638,875.07

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Solution

The fourth proportional to 1,182,739.26, 1,632,179.91 and 638,875.07 is: 881,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,739.26 : 1,632,179.91 = 638,875.07 : x
  2. Step 2: Convert to fraction form
    1,182,739.26/1,632,179.91 = 638,875.07/x
  3. Step 3: Cross multiply
    1,182,739.26x = 1,632,179.91 × 638,875.07
  4. Step 4: Simplify right side
    1,182,739.26x = 1,042,759,046,092.94
  5. Step 5: Solve for x
    x = 1,042,759,046,092.94/1,182,739.26
  6. Step 6: Final answer
    x = 881,647.44

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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.