Home / 1,213,470.52-1,674,255.20-729,968.56

Finding the Fourth Proportional to 1,213,470.52, 1,674,255.20 and 729,968.56

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Solution

The fourth proportional to 1,213,470.52, 1,674,255.20 and 729,968.56 is: 1,007,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,470.52 : 1,674,255.20 = 729,968.56 : x
  2. Step 2: Convert to fraction form
    1,213,470.52/1,674,255.20 = 729,968.56/x
  3. Step 3: Cross multiply
    1,213,470.52x = 1,674,255.20 × 729,968.56
  4. Step 4: Simplify right side
    1,213,470.52x = 1,222,153,657,416.51
  5. Step 5: Solve for x
    x = 1,222,153,657,416.51/1,213,470.52
  6. Step 6: Final answer
    x = 1,007,155.62

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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.