Home / 1,350,409.80-2,024,232.30-789,155.40

Finding the Fourth Proportional to 1,350,409.80, 2,024,232.30 and 789,155.40

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Solution

The fourth proportional to 1,350,409.80, 2,024,232.30 and 789,155.40 is: 1,182,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,409.80 : 2,024,232.30 = 789,155.40 : x
  2. Step 2: Convert to fraction form
    1,350,409.80/2,024,232.30 = 789,155.40/x
  3. Step 3: Cross multiply
    1,350,409.80x = 2,024,232.30 × 789,155.40
  4. Step 4: Simplify right side
    1,350,409.80x = 1,597,433,850,399.42
  5. Step 5: Solve for x
    x = 1,597,433,850,399.42/1,350,409.80
  6. Step 6: Final answer
    x = 1,182,925.25

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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.