Home / 1,101,069.20-1,651,207.16-381,215.46

Finding the Fourth Proportional to 1,101,069.20, 1,651,207.16 and 381,215.46

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Solution

The fourth proportional to 1,101,069.20, 1,651,207.16 and 381,215.46 is: 571,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,069.20 : 1,651,207.16 = 381,215.46 : x
  2. Step 2: Convert to fraction form
    1,101,069.20/1,651,207.16 = 381,215.46/x
  3. Step 3: Cross multiply
    1,101,069.20x = 1,651,207.16 × 381,215.46
  4. Step 4: Simplify right side
    1,101,069.20x = 629,465,697,054.69
  5. Step 5: Solve for x
    x = 629,465,697,054.69/1,101,069.20
  6. Step 6: Final answer
    x = 571,685.86

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Double scale
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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.