Home / 1,259,836.23-1,889,761.28-313,206.95

Finding the Fourth Proportional to 1,259,836.23, 1,889,761.28 and 313,206.95

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Solution

The fourth proportional to 1,259,836.23, 1,889,761.28 and 313,206.95 is: 469,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,836.23 : 1,889,761.28 = 313,206.95 : x
  2. Step 2: Convert to fraction form
    1,259,836.23/1,889,761.28 = 313,206.95/x
  3. Step 3: Cross multiply
    1,259,836.23x = 1,889,761.28 × 313,206.95
  4. Step 4: Simplify right side
    1,259,836.23x = 591,886,372,244.32
  5. Step 5: Solve for x
    x = 591,886,372,244.32/1,259,836.23
  6. Step 6: Final answer
    x = 469,812.15

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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.