Home / 1,585,976.20-2,188,588.52-860,808.46

Finding the Fourth Proportional to 1,585,976.20, 2,188,588.52 and 860,808.46

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Solution

The fourth proportional to 1,585,976.20, 2,188,588.52 and 860,808.46 is: 1,187,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,976.20 : 2,188,588.52 = 860,808.46 : x
  2. Step 2: Convert to fraction form
    1,585,976.20/2,188,588.52 = 860,808.46/x
  3. Step 3: Cross multiply
    1,585,976.20x = 2,188,588.52 × 860,808.46
  4. Step 4: Simplify right side
    1,585,976.20x = 1,883,955,503,699.37
  5. Step 5: Solve for x
    x = 1,883,955,503,699.37/1,585,976.20
  6. Step 6: Final answer
    x = 1,187,883.85

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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.