Home / 1,059,532.60-1,589,298.90-978,662.20

Finding the Fourth Proportional to 1,059,532.60, 1,589,298.90 and 978,662.20

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Solution

The fourth proportional to 1,059,532.60, 1,589,298.90 and 978,662.20 is: 1,467,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,532.60 : 1,589,298.90 = 978,662.20 : x
  2. Step 2: Convert to fraction form
    1,059,532.60/1,589,298.90 = 978,662.20/x
  3. Step 3: Cross multiply
    1,059,532.60x = 1,589,298.90 × 978,662.20
  4. Step 4: Simplify right side
    1,059,532.60x = 1,555,386,757,931.58
  5. Step 5: Solve for x
    x = 1,555,386,757,931.58/1,059,532.60
  6. Step 6: Final answer
    x = 1,467,993.30

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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.