Home / 1,489,899.35-2,054,631.79-1,000,973.63

Finding the Fourth Proportional to 1,489,899.35, 2,054,631.79 and 1,000,973.63

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Solution

The fourth proportional to 1,489,899.35, 2,054,631.79 and 1,000,973.63 is: 1,380,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,899.35 : 2,054,631.79 = 1,000,973.63 : x
  2. Step 2: Convert to fraction form
    1,489,899.35/2,054,631.79 = 1,000,973.63/x
  3. Step 3: Cross multiply
    1,489,899.35x = 2,054,631.79 × 1,000,973.63
  4. Step 4: Simplify right side
    1,489,899.35x = 2,056,632,241,149.70
  5. Step 5: Solve for x
    x = 2,056,632,241,149.70/1,489,899.35
  6. Step 6: Final answer
    x = 1,380,383.34

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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.