Home / 1,218,163.51-1,680,916.98-702,084.34

Finding the Fourth Proportional to 1,218,163.51, 1,680,916.98 and 702,084.34

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Solution

The fourth proportional to 1,218,163.51, 1,680,916.98 and 702,084.34 is: 968,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,163.51 : 1,680,916.98 = 702,084.34 : x
  2. Step 2: Convert to fraction form
    1,218,163.51/1,680,916.98 = 702,084.34/x
  3. Step 3: Cross multiply
    1,218,163.51x = 1,680,916.98 × 702,084.34
  4. Step 4: Simplify right side
    1,218,163.51x = 1,180,145,488,498.09
  5. Step 5: Solve for x
    x = 1,180,145,488,498.09/1,218,163.51
  6. Step 6: Final answer
    x = 968,790.71

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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.