Home / 1,330,704.12-1,835,731.50-871,620

Finding the Fourth Proportional to 1,330,704.12, 1,835,731.50 and 871,620

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Solution

The fourth proportional to 1,330,704.12, 1,835,731.50 and 871,620 is: 1,202,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,704.12 : 1,835,731.50 = 871,620 : x
  2. Step 2: Convert to fraction form
    1,330,704.12/1,835,731.50 = 871,620/x
  3. Step 3: Cross multiply
    1,330,704.12x = 1,835,731.50 × 871,620
  4. Step 4: Simplify right side
    1,330,704.12x = 1,600,060,290,030
  5. Step 5: Solve for x
    x = 1,600,060,290,030/1,330,704.12
  6. Step 6: Final answer
    x = 1,202,416.27

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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.