Home / 1,405,665.55-2,108,473.71-552,825.78

Finding the Fourth Proportional to 1,405,665.55, 2,108,473.71 and 552,825.78

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Solution

The fourth proportional to 1,405,665.55, 2,108,473.71 and 552,825.78 is: 829,228.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,665.55 : 2,108,473.71 = 552,825.78 : x
  2. Step 2: Convert to fraction form
    1,405,665.55/2,108,473.71 = 552,825.78/x
  3. Step 3: Cross multiply
    1,405,665.55x = 2,108,473.71 × 552,825.78
  4. Step 4: Simplify right side
    1,405,665.55x = 1,165,618,623,340.24
  5. Step 5: Solve for x
    x = 1,165,618,623,340.24/1,405,665.55
  6. Step 6: Final answer
    x = 829,228.99

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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.