Home / 1,412,241.84-2,117,167.92-612,918.72

Finding the Fourth Proportional to 1,412,241.84, 2,117,167.92 and 612,918.72

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Solution

The fourth proportional to 1,412,241.84, 2,117,167.92 and 612,918.72 is: 918,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,241.84 : 2,117,167.92 = 612,918.72 : x
  2. Step 2: Convert to fraction form
    1,412,241.84/2,117,167.92 = 612,918.72/x
  3. Step 3: Cross multiply
    1,412,241.84x = 2,117,167.92 × 612,918.72
  4. Step 4: Simplify right side
    1,412,241.84x = 1,297,651,851,551.46
  5. Step 5: Solve for x
    x = 1,297,651,851,551.46/1,412,241.84
  6. Step 6: Final answer
    x = 918,859.51

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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.