Home / 1,463,218.34-2,019,241.40-818,790.21

Finding the Fourth Proportional to 1,463,218.34, 2,019,241.40 and 818,790.21

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Solution

The fourth proportional to 1,463,218.34, 2,019,241.40 and 818,790.21 is: 1,129,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,218.34 : 2,019,241.40 = 818,790.21 : x
  2. Step 2: Convert to fraction form
    1,463,218.34/2,019,241.40 = 818,790.21/x
  3. Step 3: Cross multiply
    1,463,218.34x = 2,019,241.40 × 818,790.21
  4. Step 4: Simplify right side
    1,463,218.34x = 1,653,335,085,852.74
  5. Step 5: Solve for x
    x = 1,653,335,085,852.74/1,463,218.34
  6. Step 6: Final answer
    x = 1,129,930.54

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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.