Home / 1,585,894.39-2,188,536.31-860,742.03

Finding the Fourth Proportional to 1,585,894.39, 2,188,536.31 and 860,742.03

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Solution

The fourth proportional to 1,585,894.39, 2,188,536.31 and 860,742.03 is: 1,187,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,894.39 : 2,188,536.31 = 860,742.03 : x
  2. Step 2: Convert to fraction form
    1,585,894.39/2,188,536.31 = 860,742.03/x
  3. Step 3: Cross multiply
    1,585,894.39x = 2,188,536.31 × 860,742.03
  4. Step 4: Simplify right side
    1,585,894.39x = 1,883,765,186,198.11
  5. Step 5: Solve for x
    x = 1,883,765,186,198.11/1,585,894.39
  6. Step 6: Final answer
    x = 1,187,825.12

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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.