Home / 1,634,011.21-2,449,328.71-622,861.78

Finding the Fourth Proportional to 1,634,011.21, 2,449,328.71 and 622,861.78

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Solution

The fourth proportional to 1,634,011.21, 2,449,328.71 and 622,861.78 is: 933,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,011.21 : 2,449,328.71 = 622,861.78 : x
  2. Step 2: Convert to fraction form
    1,634,011.21/2,449,328.71 = 622,861.78/x
  3. Step 3: Cross multiply
    1,634,011.21x = 2,449,328.71 × 622,861.78
  4. Step 4: Simplify right side
    1,634,011.21x = 1,525,593,224,754.75
  5. Step 5: Solve for x
    x = 1,525,593,224,754.75/1,634,011.21
  6. Step 6: Final answer
    x = 933,649.18

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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.