Home / 1,550,342.52-2,138,991.83-905,297.40

Finding the Fourth Proportional to 1,550,342.52, 2,138,991.83 and 905,297.40

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Solution

The fourth proportional to 1,550,342.52, 2,138,991.83 and 905,297.40 is: 1,249,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,342.52 : 2,138,991.83 = 905,297.40 : x
  2. Step 2: Convert to fraction form
    1,550,342.52/2,138,991.83 = 905,297.40/x
  3. Step 3: Cross multiply
    1,550,342.52x = 2,138,991.83 × 905,297.40
  4. Step 4: Simplify right side
    1,550,342.52x = 1,936,423,754,302.14
  5. Step 5: Solve for x
    x = 1,936,423,754,302.14/1,550,342.52
  6. Step 6: Final answer
    x = 1,249,029.63

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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.