Home / 1,438,820.69-2,158,904.14-629,100.34

Finding the Fourth Proportional to 1,438,820.69, 2,158,904.14 and 629,100.34

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Solution

The fourth proportional to 1,438,820.69, 2,158,904.14 and 629,100.34 is: 943,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,820.69 : 2,158,904.14 = 629,100.34 : x
  2. Step 2: Convert to fraction form
    1,438,820.69/2,158,904.14 = 629,100.34/x
  3. Step 3: Cross multiply
    1,438,820.69x = 2,158,904.14 × 629,100.34
  4. Step 4: Simplify right side
    1,438,820.69x = 1,358,167,321,531.40
  5. Step 5: Solve for x
    x = 1,358,167,321,531.40/1,438,820.69
  6. Step 6: Final answer
    x = 943,944.81

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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.