Home / 1,309,431.98-1,964,230.98-410,909.17

Finding the Fourth Proportional to 1,309,431.98, 1,964,230.98 and 410,909.17

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Solution

The fourth proportional to 1,309,431.98, 1,964,230.98 and 410,909.17 is: 616,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,431.98 : 1,964,230.98 = 410,909.17 : x
  2. Step 2: Convert to fraction form
    1,309,431.98/1,964,230.98 = 410,909.17/x
  3. Step 3: Cross multiply
    1,309,431.98x = 1,964,230.98 × 410,909.17
  4. Step 4: Simplify right side
    1,309,431.98x = 807,120,521,680.09
  5. Step 5: Solve for x
    x = 807,120,521,680.09/1,309,431.98
  6. Step 6: Final answer
    x = 616,389.80

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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.