Home / 1,455,351.20-2,008,532.40-810,876.32

Finding the Fourth Proportional to 1,455,351.20, 2,008,532.40 and 810,876.32

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Solution

The fourth proportional to 1,455,351.20, 2,008,532.40 and 810,876.32 is: 1,119,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,351.20 : 2,008,532.40 = 810,876.32 : x
  2. Step 2: Convert to fraction form
    1,455,351.20/2,008,532.40 = 810,876.32/x
  3. Step 3: Cross multiply
    1,455,351.20x = 2,008,532.40 × 810,876.32
  4. Step 4: Simplify right side
    1,455,351.20x = 1,628,671,361,112.77
  5. Step 5: Solve for x
    x = 1,628,671,361,112.77/1,455,351.20
  6. Step 6: Final answer
    x = 1,119,091.64

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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.