Home / 1,330,234.30-1,835,730.74-726,622.30

Finding the Fourth Proportional to 1,330,234.30, 1,835,730.74 and 726,622.30

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Solution

The fourth proportional to 1,330,234.30, 1,835,730.74 and 726,622.30 is: 1,002,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,234.30 : 1,835,730.74 = 726,622.30 : x
  2. Step 2: Convert to fraction form
    1,330,234.30/1,835,730.74 = 726,622.30/x
  3. Step 3: Cross multiply
    1,330,234.30x = 1,835,730.74 × 726,622.30
  4. Step 4: Simplify right side
    1,330,234.30x = 1,333,882,892,479.50
  5. Step 5: Solve for x
    x = 1,333,882,892,479.50/1,330,234.30
  6. Step 6: Final answer
    x = 1,002,742.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.