Home / 1,451,708.88-2,003,356.44-807,108.72

Finding the Fourth Proportional to 1,451,708.88, 2,003,356.44 and 807,108.72

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Solution

The fourth proportional to 1,451,708.88, 2,003,356.44 and 807,108.72 is: 1,113,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,708.88 : 2,003,356.44 = 807,108.72 : x
  2. Step 2: Convert to fraction form
    1,451,708.88/2,003,356.44 = 807,108.72/x
  3. Step 3: Cross multiply
    1,451,708.88x = 2,003,356.44 × 807,108.72
  4. Step 4: Simplify right side
    1,451,708.88x = 1,616,926,451,992.16
  5. Step 5: Solve for x
    x = 1,616,926,451,992.16/1,451,708.88
  6. Step 6: Final answer
    x = 1,113,809.02

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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.