Home / 819,612.34-1,223,007.80-734,505.23

Finding the Fourth Proportional to 819,612.34, 1,223,007.80 and 734,505.23

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Solution

The fourth proportional to 819,612.34, 1,223,007.80 and 734,505.23 is: 1,096,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,612.34 : 1,223,007.80 = 734,505.23 : x
  2. Step 2: Convert to fraction form
    819,612.34/1,223,007.80 = 734,505.23/x
  3. Step 3: Cross multiply
    819,612.34x = 1,223,007.80 × 734,505.23
  4. Step 4: Simplify right side
    819,612.34x = 898,305,624,815.79
  5. Step 5: Solve for x
    x = 898,305,624,815.79/819,612.34
  6. Step 6: Final answer
    x = 1,096,012.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.