Home / 1,211,755.24-1,817,627.39-313,120.59

Finding the Fourth Proportional to 1,211,755.24, 1,817,627.39 and 313,120.59

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Solution

The fourth proportional to 1,211,755.24, 1,817,627.39 and 313,120.59 is: 469,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,755.24 : 1,817,627.39 = 313,120.59 : x
  2. Step 2: Convert to fraction form
    1,211,755.24/1,817,627.39 = 313,120.59/x
  3. Step 3: Cross multiply
    1,211,755.24x = 1,817,627.39 × 313,120.59
  4. Step 4: Simplify right side
    1,211,755.24x = 569,136,555,310.76
  5. Step 5: Solve for x
    x = 569,136,555,310.76/1,211,755.24
  6. Step 6: Final answer
    x = 469,679.47

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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.