Home / 1,449,619.20-2,174,428.80-452,217.60

Finding the Fourth Proportional to 1,449,619.20, 2,174,428.80 and 452,217.60

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Solution

The fourth proportional to 1,449,619.20, 2,174,428.80 and 452,217.60 is: 678,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,619.20 : 2,174,428.80 = 452,217.60 : x
  2. Step 2: Convert to fraction form
    1,449,619.20/2,174,428.80 = 452,217.60/x
  3. Step 3: Cross multiply
    1,449,619.20x = 2,174,428.80 × 452,217.60
  4. Step 4: Simplify right side
    1,449,619.20x = 983,314,973,306.88
  5. Step 5: Solve for x
    x = 983,314,973,306.88/1,449,619.20
  6. Step 6: Final answer
    x = 678,326.40

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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.