Home / 1,455,178.15-2,008,207.98-810,598.78

Finding the Fourth Proportional to 1,455,178.15, 2,008,207.98 and 810,598.78

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Solution

The fourth proportional to 1,455,178.15, 2,008,207.98 and 810,598.78 is: 1,118,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,178.15 : 2,008,207.98 = 810,598.78 : x
  2. Step 2: Convert to fraction form
    1,455,178.15/2,008,207.98 = 810,598.78/x
  3. Step 3: Cross multiply
    1,455,178.15x = 2,008,207.98 × 810,598.78
  4. Step 4: Simplify right side
    1,455,178.15x = 1,627,850,924,480.23
  5. Step 5: Solve for x
    x = 1,627,850,924,480.23/1,455,178.15
  6. Step 6: Final answer
    x = 1,118,660.92

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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.