Home / 1,356,652.78-2,034,958.11-458,725.12

Finding the Fourth Proportional to 1,356,652.78, 2,034,958.11 and 458,725.12

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Solution

The fourth proportional to 1,356,652.78, 2,034,958.11 and 458,725.12 is: 688,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,652.78 : 2,034,958.11 = 458,725.12 : x
  2. Step 2: Convert to fraction form
    1,356,652.78/2,034,958.11 = 458,725.12/x
  3. Step 3: Cross multiply
    1,356,652.78x = 2,034,958.11 × 458,725.12
  4. Step 4: Simplify right side
    1,356,652.78x = 933,486,403,204.72
  5. Step 5: Solve for x
    x = 933,486,403,204.72/1,356,652.78
  6. Step 6: Final answer
    x = 688,080.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.