Home / 1,449,068.86-1,999,676.13-868,619.89

Finding the Fourth Proportional to 1,449,068.86, 1,999,676.13 and 868,619.89

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Solution

The fourth proportional to 1,449,068.86, 1,999,676.13 and 868,619.89 is: 1,198,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,068.86 : 1,999,676.13 = 868,619.89 : x
  2. Step 2: Convert to fraction form
    1,449,068.86/1,999,676.13 = 868,619.89/x
  3. Step 3: Cross multiply
    1,449,068.86x = 1,999,676.13 × 868,619.89
  4. Step 4: Simplify right side
    1,449,068.86x = 1,736,958,460,076.23
  5. Step 5: Solve for x
    x = 1,736,958,460,076.23/1,449,068.86
  6. Step 6: Final answer
    x = 1,198,672.13

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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.