Home / 1,102,664.53-1,654,098.86-428,796.52

Finding the Fourth Proportional to 1,102,664.53, 1,654,098.86 and 428,796.52

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Solution

The fourth proportional to 1,102,664.53, 1,654,098.86 and 428,796.52 is: 643,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,664.53 : 1,654,098.86 = 428,796.52 : x
  2. Step 2: Convert to fraction form
    1,102,664.53/1,654,098.86 = 428,796.52/x
  3. Step 3: Cross multiply
    1,102,664.53x = 1,654,098.86 × 428,796.52
  4. Step 4: Simplify right side
    1,102,664.53x = 709,271,834,903.97
  5. Step 5: Solve for x
    x = 709,271,834,903.97/1,102,664.53
  6. Step 6: Final answer
    x = 643,234.47

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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.