Home / 1,263,390-1,895,212.44-410,426.16

Finding the Fourth Proportional to 1,263,390, 1,895,212.44 and 410,426.16

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Solution

The fourth proportional to 1,263,390, 1,895,212.44 and 410,426.16 is: 615,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,390 : 1,895,212.44 = 410,426.16 : x
  2. Step 2: Convert to fraction form
    1,263,390/1,895,212.44 = 410,426.16/x
  3. Step 3: Cross multiply
    1,263,390x = 1,895,212.44 × 410,426.16
  4. Step 4: Simplify right side
    1,263,390x = 777,844,764,133.43
  5. Step 5: Solve for x
    x = 777,844,764,133.43/1,263,390
  6. Step 6: Final answer
    x = 615,680.64

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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.