Home / 1,312,414.13-1,811,131.50-708,802.13

Finding the Fourth Proportional to 1,312,414.13, 1,811,131.50 and 708,802.13

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Solution

The fourth proportional to 1,312,414.13, 1,811,131.50 and 708,802.13 is: 978,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,414.13 : 1,811,131.50 = 708,802.13 : x
  2. Step 2: Convert to fraction form
    1,312,414.13/1,811,131.50 = 708,802.13/x
  3. Step 3: Cross multiply
    1,312,414.13x = 1,811,131.50 × 708,802.13
  4. Step 4: Simplify right side
    1,312,414.13x = 1,283,733,855,854.44
  5. Step 5: Solve for x
    x = 1,283,733,855,854.44/1,312,414.13
  6. Step 6: Final answer
    x = 978,146.94

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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.