Home / 1,227,823.42-1,840,338.54-746,991.30

Finding the Fourth Proportional to 1,227,823.42, 1,840,338.54 and 746,991.30

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Solution

The fourth proportional to 1,227,823.42, 1,840,338.54 and 746,991.30 is: 1,119,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,823.42 : 1,840,338.54 = 746,991.30 : x
  2. Step 2: Convert to fraction form
    1,227,823.42/1,840,338.54 = 746,991.30/x
  3. Step 3: Cross multiply
    1,227,823.42x = 1,840,338.54 × 746,991.30
  4. Step 4: Simplify right side
    1,227,823.42x = 1,374,716,878,434.70
  5. Step 5: Solve for x
    x = 1,374,716,878,434.70/1,227,823.42
  6. Step 6: Final answer
    x = 1,119,637.28

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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.