Home / 1,008,069.21-1,511,928.86-343,221.21

Finding the Fourth Proportional to 1,008,069.21, 1,511,928.86 and 343,221.21

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Solution

The fourth proportional to 1,008,069.21, 1,511,928.86 and 343,221.21 is: 514,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,069.21 : 1,511,928.86 = 343,221.21 : x
  2. Step 2: Convert to fraction form
    1,008,069.21/1,511,928.86 = 343,221.21/x
  3. Step 3: Cross multiply
    1,008,069.21x = 1,511,928.86 × 343,221.21
  4. Step 4: Simplify right side
    1,008,069.21x = 518,926,051,047.02
  5. Step 5: Solve for x
    x = 518,926,051,047.02/1,008,069.21
  6. Step 6: Final answer
    x = 514,772.25

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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.