Home / 3,136,126.76-4,703,628.96-830,635.64

Finding the Fourth Proportional to 3,136,126.76, 4,703,628.96 and 830,635.64

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Solution

The fourth proportional to 3,136,126.76, 4,703,628.96 and 830,635.64 is: 1,245,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,126.76 : 4,703,628.96 = 830,635.64 : x
  2. Step 2: Convert to fraction form
    3,136,126.76/4,703,628.96 = 830,635.64/x
  3. Step 3: Cross multiply
    3,136,126.76x = 4,703,628.96 × 830,635.64
  4. Step 4: Simplify right side
    3,136,126.76x = 3,907,001,851,512.13
  5. Step 5: Solve for x
    x = 3,907,001,851,512.13/3,136,126.76
  6. Step 6: Final answer
    x = 1,245,804.83

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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.