Home / 1,378,673.24-1,901,233.24-919,806.52

Finding the Fourth Proportional to 1,378,673.24, 1,901,233.24 and 919,806.52

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Solution

The fourth proportional to 1,378,673.24, 1,901,233.24 and 919,806.52 is: 1,268,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,673.24 : 1,901,233.24 = 919,806.52 : x
  2. Step 2: Convert to fraction form
    1,378,673.24/1,901,233.24 = 919,806.52/x
  3. Step 3: Cross multiply
    1,378,673.24x = 1,901,233.24 × 919,806.52
  4. Step 4: Simplify right side
    1,378,673.24x = 1,748,766,730,192.73
  5. Step 5: Solve for x
    x = 1,748,766,730,192.73/1,378,673.24
  6. Step 6: Final answer
    x = 1,268,441.77

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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.