Home / 1,412,679.60-2,118,922.20-453,121.20

Finding the Fourth Proportional to 1,412,679.60, 2,118,922.20 and 453,121.20

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Solution

The fourth proportional to 1,412,679.60, 2,118,922.20 and 453,121.20 is: 679,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,679.60 : 2,118,922.20 = 453,121.20 : x
  2. Step 2: Convert to fraction form
    1,412,679.60/2,118,922.20 = 453,121.20/x
  3. Step 3: Cross multiply
    1,412,679.60x = 2,118,922.20 × 453,121.20
  4. Step 4: Simplify right side
    1,412,679.60x = 960,128,569,970.64
  5. Step 5: Solve for x
    x = 960,128,569,970.64/1,412,679.60
  6. Step 6: Final answer
    x = 679,650.62

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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.