Home / 1,082,776.96-1,493,888.70-629,980.48

Finding the Fourth Proportional to 1,082,776.96, 1,493,888.70 and 629,980.48

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Solution

The fourth proportional to 1,082,776.96, 1,493,888.70 and 629,980.48 is: 869,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,776.96 : 1,493,888.70 = 629,980.48 : x
  2. Step 2: Convert to fraction form
    1,082,776.96/1,493,888.70 = 629,980.48/x
  3. Step 3: Cross multiply
    1,082,776.96x = 1,493,888.70 × 629,980.48
  4. Step 4: Simplify right side
    1,082,776.96x = 941,120,720,292.58
  5. Step 5: Solve for x
    x = 941,120,720,292.58/1,082,776.96
  6. Step 6: Final answer
    x = 869,173.20

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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.