Home / 1,312,546.26-1,811,315.04-708,934.26

Finding the Fourth Proportional to 1,312,546.26, 1,811,315.04 and 708,934.26

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Solution

The fourth proportional to 1,312,546.26, 1,811,315.04 and 708,934.26 is: 978,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,546.26 : 1,811,315.04 = 708,934.26 : x
  2. Step 2: Convert to fraction form
    1,312,546.26/1,811,315.04 = 708,934.26/x
  3. Step 3: Cross multiply
    1,312,546.26x = 1,811,315.04 × 708,934.26
  4. Step 4: Simplify right side
    1,312,546.26x = 1,284,103,287,509.27
  5. Step 5: Solve for x
    x = 1,284,103,287,509.27/1,312,546.26
  6. Step 6: Final answer
    x = 978,329.93

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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.