Home / 1,362,287.16-1,879,955.58-789,659.16

Finding the Fourth Proportional to 1,362,287.16, 1,879,955.58 and 789,659.16

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Solution

The fourth proportional to 1,362,287.16, 1,879,955.58 and 789,659.16 is: 1,089,729.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,287.16 : 1,879,955.58 = 789,659.16 : x
  2. Step 2: Convert to fraction form
    1,362,287.16/1,879,955.58 = 789,659.16/x
  3. Step 3: Cross multiply
    1,362,287.16x = 1,879,955.58 × 789,659.16
  4. Step 4: Simplify right side
    1,362,287.16x = 1,484,524,144,140.11
  5. Step 5: Solve for x
    x = 1,484,524,144,140.11/1,362,287.16
  6. Step 6: Final answer
    x = 1,089,729.23

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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.