Home / 1,550,347.56-2,138,998.78-905,302.44

Finding the Fourth Proportional to 1,550,347.56, 2,138,998.78 and 905,302.44

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Solution

The fourth proportional to 1,550,347.56, 2,138,998.78 and 905,302.44 is: 1,249,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,347.56 : 2,138,998.78 = 905,302.44 : x
  2. Step 2: Convert to fraction form
    1,550,347.56/2,138,998.78 = 905,302.44/x
  3. Step 3: Cross multiply
    1,550,347.56x = 2,138,998.78 × 905,302.44
  4. Step 4: Simplify right side
    1,550,347.56x = 1,936,440,814,691.02
  5. Step 5: Solve for x
    x = 1,936,440,814,691.02/1,550,347.56
  6. Step 6: Final answer
    x = 1,249,036.58

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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.