Home / 1,432,077.96-2,147,814.45-420,924.90

Finding the Fourth Proportional to 1,432,077.96, 2,147,814.45 and 420,924.90

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Solution

The fourth proportional to 1,432,077.96, 2,147,814.45 and 420,924.90 is: 631,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,077.96 : 2,147,814.45 = 420,924.90 : x
  2. Step 2: Convert to fraction form
    1,432,077.96/2,147,814.45 = 420,924.90/x
  3. Step 3: Cross multiply
    1,432,077.96x = 2,147,814.45 × 420,924.90
  4. Step 4: Simplify right side
    1,432,077.96x = 904,068,582,584.81
  5. Step 5: Solve for x
    x = 904,068,582,584.81/1,432,077.96
  6. Step 6: Final answer
    x = 631,298.44

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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.