Home / 1,143,401.62-1,715,361.15-385,222.45

Finding the Fourth Proportional to 1,143,401.62, 1,715,361.15 and 385,222.45

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Solution

The fourth proportional to 1,143,401.62, 1,715,361.15 and 385,222.45 is: 577,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,401.62 : 1,715,361.15 = 385,222.45 : x
  2. Step 2: Convert to fraction form
    1,143,401.62/1,715,361.15 = 385,222.45/x
  3. Step 3: Cross multiply
    1,143,401.62x = 1,715,361.15 × 385,222.45
  4. Step 4: Simplify right side
    1,143,401.62x = 660,795,626,661.76
  5. Step 5: Solve for x
    x = 660,795,626,661.76/1,143,401.62
  6. Step 6: Final answer
    x = 577,920.84

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1.5x scale

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.