Home / 1,080,630.69-1,620,946.02-406,863.18

Finding the Fourth Proportional to 1,080,630.69, 1,620,946.02 and 406,863.18

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Solution

The fourth proportional to 1,080,630.69, 1,620,946.02 and 406,863.18 is: 610,294.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,630.69 : 1,620,946.02 = 406,863.18 : x
  2. Step 2: Convert to fraction form
    1,080,630.69/1,620,946.02 = 406,863.18/x
  3. Step 3: Cross multiply
    1,080,630.69x = 1,620,946.02 × 406,863.18
  4. Step 4: Simplify right side
    1,080,630.69x = 659,503,252,305.54
  5. Step 5: Solve for x
    x = 659,503,252,305.54/1,080,630.69
  6. Step 6: Final answer
    x = 610,294.76

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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.