Home / 1,228,249.38-1,842,374.07-479,770.50

Finding the Fourth Proportional to 1,228,249.38, 1,842,374.07 and 479,770.50

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Solution

The fourth proportional to 1,228,249.38, 1,842,374.07 and 479,770.50 is: 719,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,249.38 : 1,842,374.07 = 479,770.50 : x
  2. Step 2: Convert to fraction form
    1,228,249.38/1,842,374.07 = 479,770.50/x
  3. Step 3: Cross multiply
    1,228,249.38x = 1,842,374.07 × 479,770.50
  4. Step 4: Simplify right side
    1,228,249.38x = 883,916,728,750.94
  5. Step 5: Solve for x
    x = 883,916,728,750.94/1,228,249.38
  6. Step 6: Final answer
    x = 719,655.75

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1.5x scale

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.