Home / 1,228,249.63-1,842,374.45-479,770.75

Finding the Fourth Proportional to 1,228,249.63, 1,842,374.45 and 479,770.75

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Solution

The fourth proportional to 1,228,249.63, 1,842,374.45 and 479,770.75 is: 719,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,249.63 : 1,842,374.45 = 479,770.75 : x
  2. Step 2: Convert to fraction form
    1,228,249.63/1,842,374.45 = 479,770.75/x
  3. Step 3: Cross multiply
    1,228,249.63x = 1,842,374.45 × 479,770.75
  4. Step 4: Simplify right side
    1,228,249.63x = 883,917,371,657.34
  5. Step 5: Solve for x
    x = 883,917,371,657.34/1,228,249.63
  6. Step 6: Final answer
    x = 719,656.13

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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.