Home / 1,180,913.40-1,769,555.70-879,982.20

Finding the Fourth Proportional to 1,180,913.40, 1,769,555.70 and 879,982.20

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Solution

The fourth proportional to 1,180,913.40, 1,769,555.70 and 879,982.20 is: 1,318,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,913.40 : 1,769,555.70 = 879,982.20 : x
  2. Step 2: Convert to fraction form
    1,180,913.40/1,769,555.70 = 879,982.20/x
  3. Step 3: Cross multiply
    1,180,913.40x = 1,769,555.70 × 879,982.20
  4. Step 4: Simplify right side
    1,180,913.40x = 1,557,177,517,908.54
  5. Step 5: Solve for x
    x = 1,557,177,517,908.54/1,180,913.40
  6. Step 6: Final answer
    x = 1,318,621.26

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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.