Home / 1,093,412.80-1,634,870.40-809,977.60

Finding the Fourth Proportional to 1,093,412.80, 1,634,870.40 and 809,977.60

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Solution

The fourth proportional to 1,093,412.80, 1,634,870.40 and 809,977.60 is: 1,211,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,412.80 : 1,634,870.40 = 809,977.60 : x
  2. Step 2: Convert to fraction form
    1,093,412.80/1,634,870.40 = 809,977.60/x
  3. Step 3: Cross multiply
    1,093,412.80x = 1,634,870.40 × 809,977.60
  4. Step 4: Simplify right side
    1,093,412.80x = 1,324,208,402,903.04
  5. Step 5: Solve for x
    x = 1,324,208,402,903.04/1,093,412.80
  6. Step 6: Final answer
    x = 1,211,078.20

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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.