Home / 1,814,840.70-2,723,245.20-749,990.40

Finding the Fourth Proportional to 1,814,840.70, 2,723,245.20 and 749,990.40

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Solution

The fourth proportional to 1,814,840.70, 2,723,245.20 and 749,990.40 is: 1,125,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814,840.70 : 2,723,245.20 = 749,990.40 : x
  2. Step 2: Convert to fraction form
    1,814,840.70/2,723,245.20 = 749,990.40/x
  3. Step 3: Cross multiply
    1,814,840.70x = 2,723,245.20 × 749,990.40
  4. Step 4: Simplify right side
    1,814,840.70x = 2,042,407,756,846.08
  5. Step 5: Solve for x
    x = 2,042,407,756,846.08/1,814,840.70
  6. Step 6: Final answer
    x = 1,125,392.30

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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.