Home / 1,116,723.20-1,675,084.80-992,720.30

Finding the Fourth Proportional to 1,116,723.20, 1,675,084.80 and 992,720.30

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Solution

The fourth proportional to 1,116,723.20, 1,675,084.80 and 992,720.30 is: 1,489,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,723.20 : 1,675,084.80 = 992,720.30 : x
  2. Step 2: Convert to fraction form
    1,116,723.20/1,675,084.80 = 992,720.30/x
  3. Step 3: Cross multiply
    1,116,723.20x = 1,675,084.80 × 992,720.30
  4. Step 4: Simplify right side
    1,116,723.20x = 1,662,890,685,181.44
  5. Step 5: Solve for x
    x = 1,662,890,685,181.44/1,116,723.20
  6. Step 6: Final answer
    x = 1,489,080.45

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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.