Home / 1,455,349.20-2,008,529.64-810,874.32

Finding the Fourth Proportional to 1,455,349.20, 2,008,529.64 and 810,874.32

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Solution

The fourth proportional to 1,455,349.20, 2,008,529.64 and 810,874.32 is: 1,119,088.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,349.20 : 2,008,529.64 = 810,874.32 : x
  2. Step 2: Convert to fraction form
    1,455,349.20/2,008,529.64 = 810,874.32/x
  3. Step 3: Cross multiply
    1,455,349.20x = 2,008,529.64 × 810,874.32
  4. Step 4: Simplify right side
    1,455,349.20x = 1,628,665,106,034.84
  5. Step 5: Solve for x
    x = 1,628,665,106,034.84/1,455,349.20
  6. Step 6: Final answer
    x = 1,119,088.88

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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.