Home / 1,311,605.43-1,967,478.66-413,117.48

Finding the Fourth Proportional to 1,311,605.43, 1,967,478.66 and 413,117.48

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Solution

The fourth proportional to 1,311,605.43, 1,967,478.66 and 413,117.48 is: 619,698.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,605.43 : 1,967,478.66 = 413,117.48 : x
  2. Step 2: Convert to fraction form
    1,311,605.43/1,967,478.66 = 413,117.48/x
  3. Step 3: Cross multiply
    1,311,605.43x = 1,967,478.66 × 413,117.48
  4. Step 4: Simplify right side
    1,311,605.43x = 812,799,830,891.67
  5. Step 5: Solve for x
    x = 812,799,830,891.67/1,311,605.43
  6. Step 6: Final answer
    x = 619,698.44

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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.