Home / 1,401,361.50-1,933,878.86-756,781.65

Finding the Fourth Proportional to 1,401,361.50, 1,933,878.86 and 756,781.65

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Solution

The fourth proportional to 1,401,361.50, 1,933,878.86 and 756,781.65 is: 1,044,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,361.50 : 1,933,878.86 = 756,781.65 : x
  2. Step 2: Convert to fraction form
    1,401,361.50/1,933,878.86 = 756,781.65/x
  3. Step 3: Cross multiply
    1,401,361.50x = 1,933,878.86 × 756,781.65
  4. Step 4: Simplify right side
    1,401,361.50x = 1,463,524,034,570.92
  5. Step 5: Solve for x
    x = 1,463,524,034,570.92/1,401,361.50
  6. Step 6: Final answer
    x = 1,044,358.67

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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.