Home / 1,378,397.22-2,067,323.30-1,310,041.62

Finding the Fourth Proportional to 1,378,397.22, 2,067,323.30 and 1,310,041.62

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Solution

The fourth proportional to 1,378,397.22, 2,067,323.30 and 1,310,041.62 is: 1,964,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,397.22 : 2,067,323.30 = 1,310,041.62 : x
  2. Step 2: Convert to fraction form
    1,378,397.22/2,067,323.30 = 1,310,041.62/x
  3. Step 3: Cross multiply
    1,378,397.22x = 2,067,323.30 × 1,310,041.62
  4. Step 4: Simplify right side
    1,378,397.22x = 2,708,279,564,995.75
  5. Step 5: Solve for x
    x = 2,708,279,564,995.75/1,378,397.22
  6. Step 6: Final answer
    x = 1,964,803.41

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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.