Home / 1,387,238.98-2,066,230.42-1,324,996.76

Finding the Fourth Proportional to 1,387,238.98, 2,066,230.42 and 1,324,996.76

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Solution

The fourth proportional to 1,387,238.98, 2,066,230.42 and 1,324,996.76 is: 1,973,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,238.98 : 2,066,230.42 = 1,324,996.76 : x
  2. Step 2: Convert to fraction form
    1,387,238.98/2,066,230.42 = 1,324,996.76/x
  3. Step 3: Cross multiply
    1,387,238.98x = 2,066,230.42 × 1,324,996.76
  4. Step 4: Simplify right side
    1,387,238.98x = 2,737,748,611,913.44
  5. Step 5: Solve for x
    x = 2,737,748,611,913.44/1,387,238.98
  6. Step 6: Final answer
    x = 1,973,523.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.