Home / 1,216,764.96-1,825,189.83-418,040.70

Finding the Fourth Proportional to 1,216,764.96, 1,825,189.83 and 418,040.70

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Solution

The fourth proportional to 1,216,764.96, 1,825,189.83 and 418,040.70 is: 627,075.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,764.96 : 1,825,189.83 = 418,040.70 : x
  2. Step 2: Convert to fraction form
    1,216,764.96/1,825,189.83 = 418,040.70/x
  3. Step 3: Cross multiply
    1,216,764.96x = 1,825,189.83 × 418,040.70
  4. Step 4: Simplify right side
    1,216,764.96x = 763,003,625,040.13
  5. Step 5: Solve for x
    x = 763,003,625,040.13/1,216,764.96
  6. Step 6: Final answer
    x = 627,075.61

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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.