Home / 1,455,214.04-2,008,255.88-810,634.06

Finding the Fourth Proportional to 1,455,214.04, 2,008,255.88 and 810,634.06

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Solution

The fourth proportional to 1,455,214.04, 2,008,255.88 and 810,634.06 is: 1,118,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,214.04 : 2,008,255.88 = 810,634.06 : x
  2. Step 2: Convert to fraction form
    1,455,214.04/2,008,255.88 = 810,634.06/x
  3. Step 3: Cross multiply
    1,455,214.04x = 2,008,255.88 × 810,634.06
  4. Step 4: Simplify right side
    1,455,214.04x = 1,627,960,617,523.27
  5. Step 5: Solve for x
    x = 1,627,960,617,523.27/1,455,214.04
  6. Step 6: Final answer
    x = 1,118,708.71

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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.