Home / 1,207,123.24-1,665,974.90-723,954.19

Finding the Fourth Proportional to 1,207,123.24, 1,665,974.90 and 723,954.19

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Solution

The fourth proportional to 1,207,123.24, 1,665,974.90 and 723,954.19 is: 999,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,123.24 : 1,665,974.90 = 723,954.19 : x
  2. Step 2: Convert to fraction form
    1,207,123.24/1,665,974.90 = 723,954.19/x
  3. Step 3: Cross multiply
    1,207,123.24x = 1,665,974.90 × 723,954.19
  4. Step 4: Simplify right side
    1,207,123.24x = 1,206,089,509,289.83
  5. Step 5: Solve for x
    x = 1,206,089,509,289.83/1,207,123.24
  6. Step 6: Final answer
    x = 999,143.64

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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.