Home / 1,536,690.30-2,305,035.45-978,200.70

Finding the Fourth Proportional to 1,536,690.30, 2,305,035.45 and 978,200.70

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Solution

The fourth proportional to 1,536,690.30, 2,305,035.45 and 978,200.70 is: 1,467,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,690.30 : 2,305,035.45 = 978,200.70 : x
  2. Step 2: Convert to fraction form
    1,536,690.30/2,305,035.45 = 978,200.70/x
  3. Step 3: Cross multiply
    1,536,690.30x = 2,305,035.45 × 978,200.70
  4. Step 4: Simplify right side
    1,536,690.30x = 2,254,787,290,714.82
  5. Step 5: Solve for x
    x = 2,254,787,290,714.82/1,536,690.30
  6. Step 6: Final answer
    x = 1,467,301.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.