Home / 1,142,771.42-1,577,185.21-707,328.44

Finding the Fourth Proportional to 1,142,771.42, 1,577,185.21 and 707,328.44

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Solution

The fourth proportional to 1,142,771.42, 1,577,185.21 and 707,328.44 is: 976,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,771.42 : 1,577,185.21 = 707,328.44 : x
  2. Step 2: Convert to fraction form
    1,142,771.42/1,577,185.21 = 707,328.44/x
  3. Step 3: Cross multiply
    1,142,771.42x = 1,577,185.21 × 707,328.44
  4. Step 4: Simplify right side
    1,142,771.42x = 1,115,587,953,093.05
  5. Step 5: Solve for x
    x = 1,115,587,953,093.05/1,142,771.42
  6. Step 6: Final answer
    x = 976,212.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.