Home / 1,585,889.27-2,188,471.53-860,722.39

Finding the Fourth Proportional to 1,585,889.27, 2,188,471.53 and 860,722.39

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Solution

The fourth proportional to 1,585,889.27, 2,188,471.53 and 860,722.39 is: 1,187,766.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,889.27 : 2,188,471.53 = 860,722.39 : x
  2. Step 2: Convert to fraction form
    1,585,889.27/2,188,471.53 = 860,722.39/x
  3. Step 3: Cross multiply
    1,585,889.27x = 2,188,471.53 × 860,722.39
  4. Step 4: Simplify right side
    1,585,889.27x = 1,883,666,445,748.56
  5. Step 5: Solve for x
    x = 1,883,666,445,748.56/1,585,889.27
  6. Step 6: Final answer
    x = 1,187,766.69

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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.