Home / 1,520,611.88-2,279,146.34-846,370.71

Finding the Fourth Proportional to 1,520,611.88, 2,279,146.34 and 846,370.71

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Solution

The fourth proportional to 1,520,611.88, 2,279,146.34 and 846,370.71 is: 1,268,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,611.88 : 2,279,146.34 = 846,370.71 : x
  2. Step 2: Convert to fraction form
    1,520,611.88/2,279,146.34 = 846,370.71/x
  3. Step 3: Cross multiply
    1,520,611.88x = 2,279,146.34 × 846,370.71
  4. Step 4: Simplify right side
    1,520,611.88x = 1,929,002,708,095.63
  5. Step 5: Solve for x
    x = 1,929,002,708,095.63/1,520,611.88
  6. Step 6: Final answer
    x = 1,268,570.07

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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.