Home / 1,309,442.24-1,964,246.40-410,919.41

Finding the Fourth Proportional to 1,309,442.24, 1,964,246.40 and 410,919.41

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Solution

The fourth proportional to 1,309,442.24, 1,964,246.40 and 410,919.41 is: 616,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,442.24 : 1,964,246.40 = 410,919.41 : x
  2. Step 2: Convert to fraction form
    1,309,442.24/1,964,246.40 = 410,919.41/x
  3. Step 3: Cross multiply
    1,309,442.24x = 1,964,246.40 × 410,919.41
  4. Step 4: Simplify right side
    1,309,442.24x = 807,146,961,961.39
  5. Step 5: Solve for x
    x = 807,146,961,961.39/1,309,442.24
  6. Step 6: Final answer
    x = 616,405.17

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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.