Home / 1,511,674.40-2,264,887.20-978,921.20

Finding the Fourth Proportional to 1,511,674.40, 2,264,887.20 and 978,921.20

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Solution

The fourth proportional to 1,511,674.40, 2,264,887.20 and 978,921.20 is: 1,466,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,674.40 : 2,264,887.20 = 978,921.20 : x
  2. Step 2: Convert to fraction form
    1,511,674.40/2,264,887.20 = 978,921.20/x
  3. Step 3: Cross multiply
    1,511,674.40x = 2,264,887.20 × 978,921.20
  4. Step 4: Simplify right side
    1,511,674.40x = 2,217,146,095,688.64
  5. Step 5: Solve for x
    x = 2,217,146,095,688.64/1,511,674.40
  6. Step 6: Final answer
    x = 1,466,682.31

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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.