Home / 1,331,422.30-1,997,133.45-432,893.35

Finding the Fourth Proportional to 1,331,422.30, 1,997,133.45 and 432,893.35

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Solution

The fourth proportional to 1,331,422.30, 1,997,133.45 and 432,893.35 is: 649,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,422.30 : 1,997,133.45 = 432,893.35 : x
  2. Step 2: Convert to fraction form
    1,331,422.30/1,997,133.45 = 432,893.35/x
  3. Step 3: Cross multiply
    1,331,422.30x = 1,997,133.45 × 432,893.35
  4. Step 4: Simplify right side
    1,331,422.30x = 864,545,789,567.56
  5. Step 5: Solve for x
    x = 864,545,789,567.56/1,331,422.30
  6. Step 6: Final answer
    x = 649,340.03

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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.