Home / 1,350,724.80-2,026,087.20-789,470.40

Finding the Fourth Proportional to 1,350,724.80, 2,026,087.20 and 789,470.40

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Solution

The fourth proportional to 1,350,724.80, 2,026,087.20 and 789,470.40 is: 1,184,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,724.80 : 2,026,087.20 = 789,470.40 : x
  2. Step 2: Convert to fraction form
    1,350,724.80/2,026,087.20 = 789,470.40/x
  3. Step 3: Cross multiply
    1,350,724.80x = 2,026,087.20 × 789,470.40
  4. Step 4: Simplify right side
    1,350,724.80x = 1,599,535,872,218.88
  5. Step 5: Solve for x
    x = 1,599,535,872,218.88/1,350,724.80
  6. Step 6: Final answer
    x = 1,184,205.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.