Home / 1,180,659.12-1,629,309.88-671,392.72

Finding the Fourth Proportional to 1,180,659.12, 1,629,309.88 and 671,392.72

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Solution

The fourth proportional to 1,180,659.12, 1,629,309.88 and 671,392.72 is: 926,522.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,659.12 : 1,629,309.88 = 671,392.72 : x
  2. Step 2: Convert to fraction form
    1,180,659.12/1,629,309.88 = 671,392.72/x
  3. Step 3: Cross multiply
    1,180,659.12x = 1,629,309.88 × 671,392.72
  4. Step 4: Simplify right side
    1,180,659.12x = 1,093,906,792,056.07
  5. Step 5: Solve for x
    x = 1,093,906,792,056.07/1,180,659.12
  6. Step 6: Final answer
    x = 926,522.12

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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.