Home / 1,059,547.60-1,589,321.40-978,677.20

Finding the Fourth Proportional to 1,059,547.60, 1,589,321.40 and 978,677.20

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Solution

The fourth proportional to 1,059,547.60, 1,589,321.40 and 978,677.20 is: 1,468,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,547.60 : 1,589,321.40 = 978,677.20 : x
  2. Step 2: Convert to fraction form
    1,059,547.60/1,589,321.40 = 978,677.20/x
  3. Step 3: Cross multiply
    1,059,547.60x = 1,589,321.40 × 978,677.20
  4. Step 4: Simplify right side
    1,059,547.60x = 1,555,432,617,652.08
  5. Step 5: Solve for x
    x = 1,555,432,617,652.08/1,059,547.60
  6. Step 6: Final answer
    x = 1,468,015.80

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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.