Home / 1,139,234.44-1,572,175.02-629,955.04

Finding the Fourth Proportional to 1,139,234.44, 1,572,175.02 and 629,955.04

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Solution

The fourth proportional to 1,139,234.44, 1,572,175.02 and 629,955.04 is: 869,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,234.44 : 1,572,175.02 = 629,955.04 : x
  2. Step 2: Convert to fraction form
    1,139,234.44/1,572,175.02 = 629,955.04/x
  3. Step 3: Cross multiply
    1,139,234.44x = 1,572,175.02 × 629,955.04
  4. Step 4: Simplify right side
    1,139,234.44x = 990,399,577,611.10
  5. Step 5: Solve for x
    x = 990,399,577,611.10/1,139,234.44
  6. Step 6: Final answer
    x = 869,355.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.