Home / 1,761,772.39-2,431,447.58-987,612.32

Finding the Fourth Proportional to 1,761,772.39, 2,431,447.58 and 987,612.32

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Solution

The fourth proportional to 1,761,772.39, 2,431,447.58 and 987,612.32 is: 1,363,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,772.39 : 2,431,447.58 = 987,612.32 : x
  2. Step 2: Convert to fraction form
    1,761,772.39/2,431,447.58 = 987,612.32/x
  3. Step 3: Cross multiply
    1,761,772.39x = 2,431,447.58 × 987,612.32
  4. Step 4: Simplify right side
    1,761,772.39x = 2,401,327,568,346.89
  5. Step 5: Solve for x
    x = 2,401,327,568,346.89/1,761,772.39
  6. Step 6: Final answer
    x = 1,363,018.05

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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.