Home / 1,447,618.26-2,170,015.34-689,255.97

Finding the Fourth Proportional to 1,447,618.26, 2,170,015.34 and 689,255.97

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Solution

The fourth proportional to 1,447,618.26, 2,170,015.34 and 689,255.97 is: 1,033,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,618.26 : 2,170,015.34 = 689,255.97 : x
  2. Step 2: Convert to fraction form
    1,447,618.26/2,170,015.34 = 689,255.97/x
  3. Step 3: Cross multiply
    1,447,618.26x = 2,170,015.34 × 689,255.97
  4. Step 4: Simplify right side
    1,447,618.26x = 1,495,696,018,225.88
  5. Step 5: Solve for x
    x = 1,495,696,018,225.88/1,447,618.26
  6. Step 6: Final answer
    x = 1,033,211.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.