Home / 1,538,394-2,122,939-850,054.92

Finding the Fourth Proportional to 1,538,394, 2,122,939 and 850,054.92

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Solution

The fourth proportional to 1,538,394, 2,122,939 and 850,054.92 is: 1,173,051.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,394 : 2,122,939 = 850,054.92 : x
  2. Step 2: Convert to fraction form
    1,538,394/2,122,939 = 850,054.92/x
  3. Step 3: Cross multiply
    1,538,394x = 2,122,939 × 850,054.92
  4. Step 4: Simplify right side
    1,538,394x = 1,804,614,741,809.88
  5. Step 5: Solve for x
    x = 1,804,614,741,809.88/1,538,394
  6. Step 6: Final answer
    x = 1,173,051.08

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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.