Home / 1,309,450.92-1,964,259.40-410,928.18

Finding the Fourth Proportional to 1,309,450.92, 1,964,259.40 and 410,928.18

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Solution

The fourth proportional to 1,309,450.92, 1,964,259.40 and 410,928.18 is: 616,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,450.92 : 1,964,259.40 = 410,928.18 : x
  2. Step 2: Convert to fraction form
    1,309,450.92/1,964,259.40 = 410,928.18/x
  3. Step 3: Cross multiply
    1,309,450.92x = 1,964,259.40 × 410,928.18
  4. Step 4: Simplify right side
    1,309,450.92x = 807,169,540,289.89
  5. Step 5: Solve for x
    x = 807,169,540,289.89/1,309,450.92
  6. Step 6: Final answer
    x = 616,418.32

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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.