Home / 1,419,900.66-1,959,386.49-775,311.30

Finding the Fourth Proportional to 1,419,900.66, 1,959,386.49 and 775,311.30

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Solution

The fourth proportional to 1,419,900.66, 1,959,386.49 and 775,311.30 is: 1,069,887.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,900.66 : 1,959,386.49 = 775,311.30 : x
  2. Step 2: Convert to fraction form
    1,419,900.66/1,959,386.49 = 775,311.30/x
  3. Step 3: Cross multiply
    1,419,900.66x = 1,959,386.49 × 775,311.30
  4. Step 4: Simplify right side
    1,419,900.66x = 1,519,134,486,764.34
  5. Step 5: Solve for x
    x = 1,519,134,486,764.34/1,419,900.66
  6. Step 6: Final answer
    x = 1,069,887.87

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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.