Home / 1,218,162.51-1,680,915.60-702,083.34

Finding the Fourth Proportional to 1,218,162.51, 1,680,915.60 and 702,083.34

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Solution

The fourth proportional to 1,218,162.51, 1,680,915.60 and 702,083.34 is: 968,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,162.51 : 1,680,915.60 = 702,083.34 : x
  2. Step 2: Convert to fraction form
    1,218,162.51/1,680,915.60 = 702,083.34/x
  3. Step 3: Cross multiply
    1,218,162.51x = 1,680,915.60 × 702,083.34
  4. Step 4: Simplify right side
    1,218,162.51x = 1,180,142,838,706.10
  5. Step 5: Solve for x
    x = 1,180,142,838,706.10/1,218,162.51
  6. Step 6: Final answer
    x = 968,789.33

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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.