Home / 1,258,936.20-1,888,962.57-659,755.08

Finding the Fourth Proportional to 1,258,936.20, 1,888,962.57 and 659,755.08

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Solution

The fourth proportional to 1,258,936.20, 1,888,962.57 and 659,755.08 is: 989,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,936.20 : 1,888,962.57 = 659,755.08 : x
  2. Step 2: Convert to fraction form
    1,258,936.20/1,888,962.57 = 659,755.08/x
  3. Step 3: Cross multiply
    1,258,936.20x = 1,888,962.57 × 659,755.08
  4. Step 4: Simplify right side
    1,258,936.20x = 1,246,252,651,487.36
  5. Step 5: Solve for x
    x = 1,246,252,651,487.36/1,258,936.20
  6. Step 6: Final answer
    x = 989,925.19

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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.