Home / 1,336,734.90-2,005,102.35-978,012.23

Finding the Fourth Proportional to 1,336,734.90, 2,005,102.35 and 978,012.23

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Solution

The fourth proportional to 1,336,734.90, 2,005,102.35 and 978,012.23 is: 1,467,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,734.90 : 2,005,102.35 = 978,012.23 : x
  2. Step 2: Convert to fraction form
    1,336,734.90/2,005,102.35 = 978,012.23/x
  3. Step 3: Cross multiply
    1,336,734.90x = 2,005,102.35 × 978,012.23
  4. Step 4: Simplify right side
    1,336,734.90x = 1,961,014,610,676.23
  5. Step 5: Solve for x
    x = 1,961,014,610,676.23/1,336,734.90
  6. Step 6: Final answer
    x = 1,467,018.34

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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.