Home / 1,554,819.48-2,144,917.80-909,844.02

Finding the Fourth Proportional to 1,554,819.48, 2,144,917.80 and 909,844.02

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Solution

The fourth proportional to 1,554,819.48, 2,144,917.80 and 909,844.02 is: 1,255,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,819.48 : 2,144,917.80 = 909,844.02 : x
  2. Step 2: Convert to fraction form
    1,554,819.48/2,144,917.80 = 909,844.02/x
  3. Step 3: Cross multiply
    1,554,819.48x = 2,144,917.80 × 909,844.02
  4. Step 4: Simplify right side
    1,554,819.48x = 1,951,540,633,721.56
  5. Step 5: Solve for x
    x = 1,951,540,633,721.56/1,554,819.48
  6. Step 6: Final answer
    x = 1,255,155.76

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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.