Home / 1,258,943.74-1,888,973.82-659,762.44

Finding the Fourth Proportional to 1,258,943.74, 1,888,973.82 and 659,762.44

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Solution

The fourth proportional to 1,258,943.74, 1,888,973.82 and 659,762.44 is: 989,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,943.74 : 1,888,973.82 = 659,762.44 : x
  2. Step 2: Convert to fraction form
    1,258,943.74/1,888,973.82 = 659,762.44/x
  3. Step 3: Cross multiply
    1,258,943.74x = 1,888,973.82 × 659,762.44
  4. Step 4: Simplify right side
    1,258,943.74x = 1,246,273,976,579.32
  5. Step 5: Solve for x
    x = 1,246,273,976,579.32/1,258,943.74
  6. Step 6: Final answer
    x = 989,936.20

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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.