Home / 1,111,374.45-1,667,307.69-353,447.73

Finding the Fourth Proportional to 1,111,374.45, 1,667,307.69 and 353,447.73

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Solution

The fourth proportional to 1,111,374.45, 1,667,307.69 and 353,447.73 is: 530,249.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,374.45 : 1,667,307.69 = 353,447.73 : x
  2. Step 2: Convert to fraction form
    1,111,374.45/1,667,307.69 = 353,447.73/x
  3. Step 3: Cross multiply
    1,111,374.45x = 1,667,307.69 × 353,447.73
  4. Step 4: Simplify right side
    1,111,374.45x = 589,306,118,242.04
  5. Step 5: Solve for x
    x = 589,306,118,242.04/1,111,374.45
  6. Step 6: Final answer
    x = 530,249.83

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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.