Home / 1,082,775.46-1,493,886.63-629,978.98

Finding the Fourth Proportional to 1,082,775.46, 1,493,886.63 and 629,978.98

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Solution

The fourth proportional to 1,082,775.46, 1,493,886.63 and 629,978.98 is: 869,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,775.46 : 1,493,886.63 = 629,978.98 : x
  2. Step 2: Convert to fraction form
    1,082,775.46/1,493,886.63 = 629,978.98/x
  3. Step 3: Cross multiply
    1,082,775.46x = 1,493,886.63 × 629,978.98
  4. Step 4: Simplify right side
    1,082,775.46x = 941,117,175,403.04
  5. Step 5: Solve for x
    x = 941,117,175,403.04/1,082,775.46
  6. Step 6: Final answer
    x = 869,171.13

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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.