Home / 1,463,998.85-2,020,317.96-819,418.87

Finding the Fourth Proportional to 1,463,998.85, 2,020,317.96 and 819,418.87

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Solution

The fourth proportional to 1,463,998.85, 2,020,317.96 and 819,418.87 is: 1,130,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,998.85 : 2,020,317.96 = 819,418.87 : x
  2. Step 2: Convert to fraction form
    1,463,998.85/2,020,317.96 = 819,418.87/x
  3. Step 3: Cross multiply
    1,463,998.85x = 2,020,317.96 × 819,418.87
  4. Step 4: Simplify right side
    1,463,998.85x = 1,655,486,659,823.91
  5. Step 5: Solve for x
    x = 1,655,486,659,823.91/1,463,998.85
  6. Step 6: Final answer
    x = 1,130,797.79

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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.