Home / 1,675,905.66-2,515,105.62-823,434.93

Finding the Fourth Proportional to 1,675,905.66, 2,515,105.62 and 823,434.93

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Solution

The fourth proportional to 1,675,905.66, 2,515,105.62 and 823,434.93 is: 1,235,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,905.66 : 2,515,105.62 = 823,434.93 : x
  2. Step 2: Convert to fraction form
    1,675,905.66/2,515,105.62 = 823,434.93/x
  3. Step 3: Cross multiply
    1,675,905.66x = 2,515,105.62 × 823,434.93
  4. Step 4: Simplify right side
    1,675,905.66x = 2,071,025,820,147.31
  5. Step 5: Solve for x
    x = 2,071,025,820,147.31/1,675,905.66
  6. Step 6: Final answer
    x = 1,235,765.16

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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.