Home / 1,550,238.84-2,139,914.16-905,868.48

Finding the Fourth Proportional to 1,550,238.84, 2,139,914.16 and 905,868.48

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Solution

The fourth proportional to 1,550,238.84, 2,139,914.16 and 905,868.48 is: 1,250,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,238.84 : 2,139,914.16 = 905,868.48 : x
  2. Step 2: Convert to fraction form
    1,550,238.84/2,139,914.16 = 905,868.48/x
  3. Step 3: Cross multiply
    1,550,238.84x = 2,139,914.16 × 905,868.48
  4. Step 4: Simplify right side
    1,550,238.84x = 1,938,480,787,449.68
  5. Step 5: Solve for x
    x = 1,938,480,787,449.68/1,550,238.84
  6. Step 6: Final answer
    x = 1,250,440.09

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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.