Home / 1,815,200.60-2,722,800.90-870,416.60

Finding the Fourth Proportional to 1,815,200.60, 2,722,800.90 and 870,416.60

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Solution

The fourth proportional to 1,815,200.60, 2,722,800.90 and 870,416.60 is: 1,305,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,200.60 : 2,722,800.90 = 870,416.60 : x
  2. Step 2: Convert to fraction form
    1,815,200.60/2,722,800.90 = 870,416.60/x
  3. Step 3: Cross multiply
    1,815,200.60x = 2,722,800.90 × 870,416.60
  4. Step 4: Simplify right side
    1,815,200.60x = 2,369,971,101,854.94
  5. Step 5: Solve for x
    x = 2,369,971,101,854.94/1,815,200.60
  6. Step 6: Final answer
    x = 1,305,624.90

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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.