Home / 1,362,123.84-1,879,730.90-789,496.17

Finding the Fourth Proportional to 1,362,123.84, 1,879,730.90 and 789,496.17

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Solution

The fourth proportional to 1,362,123.84, 1,879,730.90 and 789,496.17 is: 1,089,504.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,123.84 : 1,879,730.90 = 789,496.17 : x
  2. Step 2: Convert to fraction form
    1,362,123.84/1,879,730.90 = 789,496.17/x
  3. Step 3: Cross multiply
    1,362,123.84x = 1,879,730.90 × 789,496.17
  4. Step 4: Simplify right side
    1,362,123.84x = 1,484,040,342,585.71
  5. Step 5: Solve for x
    x = 1,484,040,342,585.71/1,362,123.84
  6. Step 6: Final answer
    x = 1,089,504.71

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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.