Home / 756,171.45-1,134,257.18-698,434.65

Finding the Fourth Proportional to 756,171.45, 1,134,257.18 and 698,434.65

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Solution

The fourth proportional to 756,171.45, 1,134,257.18 and 698,434.65 is: 1,047,651.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,171.45 : 1,134,257.18 = 698,434.65 : x
  2. Step 2: Convert to fraction form
    756,171.45/1,134,257.18 = 698,434.65/x
  3. Step 3: Cross multiply
    756,171.45x = 1,134,257.18 × 698,434.65
  4. Step 4: Simplify right side
    756,171.45x = 792,204,513,031.11
  5. Step 5: Solve for x
    x = 792,204,513,031.11/756,171.45
  6. Step 6: Final answer
    x = 1,047,651.98

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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.