Home / 1,309,440.92-1,964,244.38-410,918.13

Finding the Fourth Proportional to 1,309,440.92, 1,964,244.38 and 410,918.13

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Solution

The fourth proportional to 1,309,440.92, 1,964,244.38 and 410,918.13 is: 616,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,440.92 : 1,964,244.38 = 410,918.13 : x
  2. Step 2: Convert to fraction form
    1,309,440.92/1,964,244.38 = 410,918.13/x
  3. Step 3: Cross multiply
    1,309,440.92x = 1,964,244.38 × 410,918.13
  4. Step 4: Simplify right side
    1,309,440.92x = 807,143,625,438.02
  5. Step 5: Solve for x
    x = 807,143,625,438.02/1,309,440.92
  6. Step 6: Final answer
    x = 616,403.24

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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.