Home / 1,331,434-1,837,385.48-727,822

Finding the Fourth Proportional to 1,331,434, 1,837,385.48 and 727,822

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Solution

The fourth proportional to 1,331,434, 1,837,385.48 and 727,822 is: 1,004,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,434 : 1,837,385.48 = 727,822 : x
  2. Step 2: Convert to fraction form
    1,331,434/1,837,385.48 = 727,822/x
  3. Step 3: Cross multiply
    1,331,434x = 1,837,385.48 × 727,822
  4. Step 4: Simplify right side
    1,331,434x = 1,337,289,574,824.56
  5. Step 5: Solve for x
    x = 1,337,289,574,824.56/1,331,434
  6. Step 6: Final answer
    x = 1,004,397.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.