Home / 1,182,733.13-1,632,172.34-638,868.90

Finding the Fourth Proportional to 1,182,733.13, 1,632,172.34 and 638,868.90

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Solution

The fourth proportional to 1,182,733.13, 1,632,172.34 and 638,868.90 is: 881,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,733.13 : 1,632,172.34 = 638,868.90 : x
  2. Step 2: Convert to fraction form
    1,182,733.13/1,632,172.34 = 638,868.90/x
  3. Step 3: Cross multiply
    1,182,733.13x = 1,632,172.34 × 638,868.90
  4. Step 4: Simplify right side
    1,182,733.13x = 1,042,744,155,184.04
  5. Step 5: Solve for x
    x = 1,042,744,155,184.04/1,182,733.13
  6. Step 6: Final answer
    x = 881,639.43

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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.