Home / 1,511,430.76-2,268,080.44-612,880.29

Finding the Fourth Proportional to 1,511,430.76, 2,268,080.44 and 612,880.29

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Solution

The fourth proportional to 1,511,430.76, 2,268,080.44 and 612,880.29 is: 919,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,430.76 : 2,268,080.44 = 612,880.29 : x
  2. Step 2: Convert to fraction form
    1,511,430.76/2,268,080.44 = 612,880.29/x
  3. Step 3: Cross multiply
    1,511,430.76x = 2,268,080.44 × 612,880.29
  4. Step 4: Simplify right side
    1,511,430.76x = 1,390,061,799,725.78
  5. Step 5: Solve for x
    x = 1,390,061,799,725.78/1,511,430.76
  6. Step 6: Final answer
    x = 919,699.29

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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.