Home / 1,405,648.32-2,108,472.44-340,690.39

Finding the Fourth Proportional to 1,405,648.32, 2,108,472.44 and 340,690.39

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Solution

The fourth proportional to 1,405,648.32, 2,108,472.44 and 340,690.39 is: 511,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,648.32 : 2,108,472.44 = 340,690.39 : x
  2. Step 2: Convert to fraction form
    1,405,648.32/2,108,472.44 = 340,690.39/x
  3. Step 3: Cross multiply
    1,405,648.32x = 2,108,472.44 × 340,690.39
  4. Step 4: Simplify right side
    1,405,648.32x = 718,336,297,887.85
  5. Step 5: Solve for x
    x = 718,336,297,887.85/1,405,648.32
  6. Step 6: Final answer
    x = 511,035.58

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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.