Home / 1,074,891.07-1,612,613.63-771,636.79

Finding the Fourth Proportional to 1,074,891.07, 1,612,613.63 and 771,636.79

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Solution

The fourth proportional to 1,074,891.07, 1,612,613.63 and 771,636.79 is: 1,157,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,891.07 : 1,612,613.63 = 771,636.79 : x
  2. Step 2: Convert to fraction form
    1,074,891.07/1,612,613.63 = 771,636.79/x
  3. Step 3: Cross multiply
    1,074,891.07x = 1,612,613.63 × 771,636.79
  4. Step 4: Simplify right side
    1,074,891.07x = 1,244,352,004,963.45
  5. Step 5: Solve for x
    x = 1,244,352,004,963.45/1,074,891.07
  6. Step 6: Final answer
    x = 1,157,654.05

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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.