Home / 1,100,918.28-1,650,981.27-381,064.53

Finding the Fourth Proportional to 1,100,918.28, 1,650,981.27 and 381,064.53

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Solution

The fourth proportional to 1,100,918.28, 1,650,981.27 and 381,064.53 is: 571,459.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,918.28 : 1,650,981.27 = 381,064.53 : x
  2. Step 2: Convert to fraction form
    1,100,918.28/1,650,981.27 = 381,064.53/x
  3. Step 3: Cross multiply
    1,100,918.28x = 1,650,981.27 × 381,064.53
  4. Step 4: Simplify right side
    1,100,918.28x = 629,130,401,691.35
  5. Step 5: Solve for x
    x = 629,130,401,691.35/1,100,918.28
  6. Step 6: Final answer
    x = 571,459.67

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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.