Home / 2,657,618.78-3,987,063.16-860,504.23

Finding the Fourth Proportional to 2,657,618.78, 3,987,063.16 and 860,504.23

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Solution

The fourth proportional to 2,657,618.78, 3,987,063.16 and 860,504.23 is: 1,290,961.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,618.78 : 3,987,063.16 = 860,504.23 : x
  2. Step 2: Convert to fraction form
    2,657,618.78/3,987,063.16 = 860,504.23/x
  3. Step 3: Cross multiply
    2,657,618.78x = 3,987,063.16 × 860,504.23
  4. Step 4: Simplify right side
    2,657,618.78x = 3,430,884,714,457.17
  5. Step 5: Solve for x
    x = 3,430,884,714,457.17/2,657,618.78
  6. Step 6: Final answer
    x = 1,290,961.95

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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.