Home / 1,455,519.32-2,008,630.39-802,168.90

Finding the Fourth Proportional to 1,455,519.32, 2,008,630.39 and 802,168.90

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Solution

The fourth proportional to 1,455,519.32, 2,008,630.39 and 802,168.90 is: 1,107,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,519.32 : 2,008,630.39 = 802,168.90 : x
  2. Step 2: Convert to fraction form
    1,455,519.32/2,008,630.39 = 802,168.90/x
  3. Step 3: Cross multiply
    1,455,519.32x = 2,008,630.39 × 802,168.90
  4. Step 4: Simplify right side
    1,455,519.32x = 1,611,260,816,398.87
  5. Step 5: Solve for x
    x = 1,611,260,816,398.87/1,455,519.32
  6. Step 6: Final answer
    x = 1,107,000.64

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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.