Home / 1,312,544.69-1,811,312.88-708,932.69

Finding the Fourth Proportional to 1,312,544.69, 1,811,312.88 and 708,932.69

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Solution

The fourth proportional to 1,312,544.69, 1,811,312.88 and 708,932.69 is: 978,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,544.69 : 1,811,312.88 = 708,932.69 : x
  2. Step 2: Convert to fraction form
    1,312,544.69/1,811,312.88 = 708,932.69/x
  3. Step 3: Cross multiply
    1,312,544.69x = 1,811,312.88 × 708,932.69
  4. Step 4: Simplify right side
    1,312,544.69x = 1,284,098,912,450.05
  5. Step 5: Solve for x
    x = 1,284,098,912,450.05/1,312,544.69
  6. Step 6: Final answer
    x = 978,327.76

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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.