Home / 1,203,983.11-1,661,487.89-660,109.94

Finding the Fourth Proportional to 1,203,983.11, 1,661,487.89 and 660,109.94

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Solution

The fourth proportional to 1,203,983.11, 1,661,487.89 and 660,109.94 is: 910,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,983.11 : 1,661,487.89 = 660,109.94 : x
  2. Step 2: Convert to fraction form
    1,203,983.11/1,661,487.89 = 660,109.94/x
  3. Step 3: Cross multiply
    1,203,983.11x = 1,661,487.89 × 660,109.94
  4. Step 4: Simplify right side
    1,203,983.11x = 1,096,764,671,378.63
  5. Step 5: Solve for x
    x = 1,096,764,671,378.63/1,203,983.11
  6. Step 6: Final answer
    x = 910,946.89

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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.