Home / 1,040,152.80-1,434,450.40-798,445.60

Finding the Fourth Proportional to 1,040,152.80, 1,434,450.40 and 798,445.60

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Solution

The fourth proportional to 1,040,152.80, 1,434,450.40 and 798,445.60 is: 1,101,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,152.80 : 1,434,450.40 = 798,445.60 : x
  2. Step 2: Convert to fraction form
    1,040,152.80/1,434,450.40 = 798,445.60/x
  3. Step 3: Cross multiply
    1,040,152.80x = 1,434,450.40 × 798,445.60
  4. Step 4: Simplify right side
    1,040,152.80x = 1,145,330,610,298.24
  5. Step 5: Solve for x
    x = 1,145,330,610,298.24/1,040,152.80
  6. Step 6: Final answer
    x = 1,101,117.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.