Home / 1,395,253.38-2,092,675.93-665,611.86

Finding the Fourth Proportional to 1,395,253.38, 2,092,675.93 and 665,611.86

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Solution

The fourth proportional to 1,395,253.38, 2,092,675.93 and 665,611.86 is: 998,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,253.38 : 2,092,675.93 = 665,611.86 : x
  2. Step 2: Convert to fraction form
    1,395,253.38/2,092,675.93 = 665,611.86/x
  3. Step 3: Cross multiply
    1,395,253.38x = 2,092,675.93 × 665,611.86
  4. Step 4: Simplify right side
    1,395,253.38x = 1,392,909,918,144.53
  5. Step 5: Solve for x
    x = 1,392,909,918,144.53/1,395,253.38
  6. Step 6: Final answer
    x = 998,320.40

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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.