Home / 1,106,708.80-1,660,063.20-1,098,414.40

Finding the Fourth Proportional to 1,106,708.80, 1,660,063.20 and 1,098,414.40

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Solution

The fourth proportional to 1,106,708.80, 1,660,063.20 and 1,098,414.40 is: 1,647,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,708.80 : 1,660,063.20 = 1,098,414.40 : x
  2. Step 2: Convert to fraction form
    1,106,708.80/1,660,063.20 = 1,098,414.40/x
  3. Step 3: Cross multiply
    1,106,708.80x = 1,660,063.20 × 1,098,414.40
  4. Step 4: Simplify right side
    1,106,708.80x = 1,823,437,323,790.08
  5. Step 5: Solve for x
    x = 1,823,437,323,790.08/1,106,708.80
  6. Step 6: Final answer
    x = 1,647,621.60

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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.