Home / 1,217,142.45-1,679,248.62-700,885.22

Finding the Fourth Proportional to 1,217,142.45, 1,679,248.62 and 700,885.22

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Solution

The fourth proportional to 1,217,142.45, 1,679,248.62 and 700,885.22 is: 966,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,142.45 : 1,679,248.62 = 700,885.22 : x
  2. Step 2: Convert to fraction form
    1,217,142.45/1,679,248.62 = 700,885.22/x
  3. Step 3: Cross multiply
    1,217,142.45x = 1,679,248.62 × 700,885.22
  4. Step 4: Simplify right side
    1,217,142.45x = 1,176,960,530,067.15
  5. Step 5: Solve for x
    x = 1,176,960,530,067.15/1,217,142.45
  6. Step 6: Final answer
    x = 966,986.67

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1.5x scale

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.