Home / 1,286,074.56-1,774,779.84-713,100

Finding the Fourth Proportional to 1,286,074.56, 1,774,779.84 and 713,100

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Solution

The fourth proportional to 1,286,074.56, 1,774,779.84 and 713,100 is: 984,076.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,074.56 : 1,774,779.84 = 713,100 : x
  2. Step 2: Convert to fraction form
    1,286,074.56/1,774,779.84 = 713,100/x
  3. Step 3: Cross multiply
    1,286,074.56x = 1,774,779.84 × 713,100
  4. Step 4: Simplify right side
    1,286,074.56x = 1,265,595,503,904
  5. Step 5: Solve for x
    x = 1,265,595,503,904/1,286,074.56
  6. Step 6: Final answer
    x = 984,076.31

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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.