Home / 1,080,339.88-1,620,510.56-281,619.40

Finding the Fourth Proportional to 1,080,339.88, 1,620,510.56 and 281,619.40

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Solution

The fourth proportional to 1,080,339.88, 1,620,510.56 and 281,619.40 is: 422,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,339.88 : 1,620,510.56 = 281,619.40 : x
  2. Step 2: Convert to fraction form
    1,080,339.88/1,620,510.56 = 281,619.40/x
  3. Step 3: Cross multiply
    1,080,339.88x = 1,620,510.56 × 281,619.40
  4. Step 4: Simplify right side
    1,080,339.88x = 456,367,211,600.86
  5. Step 5: Solve for x
    x = 456,367,211,600.86/1,080,339.88
  6. Step 6: Final answer
    x = 422,429.29

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1.5x scale

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.