Home / 1,674,342.72-2,511,492.48-412,181.28

Finding the Fourth Proportional to 1,674,342.72, 2,511,492.48 and 412,181.28

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Solution

The fourth proportional to 1,674,342.72, 2,511,492.48 and 412,181.28 is: 618,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,342.72 : 2,511,492.48 = 412,181.28 : x
  2. Step 2: Convert to fraction form
    1,674,342.72/2,511,492.48 = 412,181.28/x
  3. Step 3: Cross multiply
    1,674,342.72x = 2,511,492.48 × 412,181.28
  4. Step 4: Simplify right side
    1,674,342.72x = 1,035,190,185,116.77
  5. Step 5: Solve for x
    x = 1,035,190,185,116.77/1,674,342.72
  6. Step 6: Final answer
    x = 618,266.60

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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.