Home / 874,826.80-1,311,539.40-804,842.80

Finding the Fourth Proportional to 874,826.80, 1,311,539.40 and 804,842.80

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Solution

The fourth proportional to 874,826.80, 1,311,539.40 and 804,842.80 is: 1,206,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,826.80 : 1,311,539.40 = 804,842.80 : x
  2. Step 2: Convert to fraction form
    874,826.80/1,311,539.40 = 804,842.80/x
  3. Step 3: Cross multiply
    874,826.80x = 1,311,539.40 × 804,842.80
  4. Step 4: Simplify right side
    874,826.80x = 1,055,583,043,006.32
  5. Step 5: Solve for x
    x = 1,055,583,043,006.32/874,826.80
  6. Step 6: Final answer
    x = 1,206,619.46

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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.