Home / 1,255,431.15-1,732,474.58-682,485.75

Finding the Fourth Proportional to 1,255,431.15, 1,732,474.58 and 682,485.75

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Solution

The fourth proportional to 1,255,431.15, 1,732,474.58 and 682,485.75 is: 941,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,431.15 : 1,732,474.58 = 682,485.75 : x
  2. Step 2: Convert to fraction form
    1,255,431.15/1,732,474.58 = 682,485.75/x
  3. Step 3: Cross multiply
    1,255,431.15x = 1,732,474.58 × 682,485.75
  4. Step 4: Simplify right side
    1,255,431.15x = 1,182,389,209,674.81
  5. Step 5: Solve for x
    x = 1,182,389,209,674.81/1,255,431.15
  6. Step 6: Final answer
    x = 941,819.24

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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.