Home / 1,126,762.02-1,690,204.56-285,321.06

Finding the Fourth Proportional to 1,126,762.02, 1,690,204.56 and 285,321.06

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Solution

The fourth proportional to 1,126,762.02, 1,690,204.56 and 285,321.06 is: 427,997.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,762.02 : 1,690,204.56 = 285,321.06 : x
  2. Step 2: Convert to fraction form
    1,126,762.02/1,690,204.56 = 285,321.06/x
  3. Step 3: Cross multiply
    1,126,762.02x = 1,690,204.56 × 285,321.06
  4. Step 4: Simplify right side
    1,126,762.02x = 482,250,956,676.03
  5. Step 5: Solve for x
    x = 482,250,956,676.03/1,126,762.02
  6. Step 6: Final answer
    x = 427,997.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.