Home / 1,182,744.68-1,632,188.25-638,880.44

Finding the Fourth Proportional to 1,182,744.68, 1,632,188.25 and 638,880.44

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Solution

The fourth proportional to 1,182,744.68, 1,632,188.25 and 638,880.44 is: 881,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,744.68 : 1,632,188.25 = 638,880.44 : x
  2. Step 2: Convert to fraction form
    1,182,744.68/1,632,188.25 = 638,880.44/x
  3. Step 3: Cross multiply
    1,182,744.68x = 1,632,188.25 × 638,880.44
  4. Step 4: Simplify right side
    1,182,744.68x = 1,042,773,139,161.89
  5. Step 5: Solve for x
    x = 1,042,773,139,161.89/1,182,744.68
  6. Step 6: Final answer
    x = 881,655.32

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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.