Home / 1,455,360.52-2,008,398.78-810,782.32

Finding the Fourth Proportional to 1,455,360.52, 2,008,398.78 and 810,782.32

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Solution

The fourth proportional to 1,455,360.52, 2,008,398.78 and 810,782.32 is: 1,118,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,360.52 : 2,008,398.78 = 810,782.32 : x
  2. Step 2: Convert to fraction form
    1,455,360.52/2,008,398.78 = 810,782.32/x
  3. Step 3: Cross multiply
    1,455,360.52x = 2,008,398.78 × 810,782.32
  4. Step 4: Simplify right side
    1,455,360.52x = 1,628,374,222,333.57
  5. Step 5: Solve for x
    x = 1,628,374,222,333.57/1,455,360.52
  6. Step 6: Final answer
    x = 1,118,880.30

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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.