Home / 1,310,724.09-1,808,683.92-729,903.33

Finding the Fourth Proportional to 1,310,724.09, 1,808,683.92 and 729,903.33

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Solution

The fourth proportional to 1,310,724.09, 1,808,683.92 and 729,903.33 is: 1,007,202.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,724.09 : 1,808,683.92 = 729,903.33 : x
  2. Step 2: Convert to fraction form
    1,310,724.09/1,808,683.92 = 729,903.33/x
  3. Step 3: Cross multiply
    1,310,724.09x = 1,808,683.92 × 729,903.33
  4. Step 4: Simplify right side
    1,310,724.09x = 1,320,164,416,125.45
  5. Step 5: Solve for x
    x = 1,320,164,416,125.45/1,310,724.09
  6. Step 6: Final answer
    x = 1,007,202.37

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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.