Home / 1,538,659.86-2,123,239.41-850,323.48

Finding the Fourth Proportional to 1,538,659.86, 2,123,239.41 and 850,323.48

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Solution

The fourth proportional to 1,538,659.86, 2,123,239.41 and 850,323.48 is: 1,173,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,659.86 : 2,123,239.41 = 850,323.48 : x
  2. Step 2: Convert to fraction form
    1,538,659.86/2,123,239.41 = 850,323.48/x
  3. Step 3: Cross multiply
    1,538,659.86x = 2,123,239.41 × 850,323.48
  4. Step 4: Simplify right side
    1,538,659.86x = 1,805,440,323,984.35
  5. Step 5: Solve for x
    x = 1,805,440,323,984.35/1,538,659.86
  6. Step 6: Final answer
    x = 1,173,384.95

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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.