Home / 1,211,750.80-1,817,620.68-313,116.14

Finding the Fourth Proportional to 1,211,750.80, 1,817,620.68 and 313,116.14

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Solution

The fourth proportional to 1,211,750.80, 1,817,620.68 and 313,116.14 is: 469,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,750.80 : 1,817,620.68 = 313,116.14 : x
  2. Step 2: Convert to fraction form
    1,211,750.80/1,817,620.68 = 313,116.14/x
  3. Step 3: Cross multiply
    1,211,750.80x = 1,817,620.68 × 313,116.14
  4. Step 4: Simplify right side
    1,211,750.80x = 569,126,371,305.78
  5. Step 5: Solve for x
    x = 569,126,371,305.78/1,211,750.80
  6. Step 6: Final answer
    x = 469,672.78

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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.