Home / 1,565,003.52-2,159,713.84-920,450.88

Finding the Fourth Proportional to 1,565,003.52, 2,159,713.84 and 920,450.88

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Solution

The fourth proportional to 1,565,003.52, 2,159,713.84 and 920,450.88 is: 1,270,227.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,003.52 : 2,159,713.84 = 920,450.88 : x
  2. Step 2: Convert to fraction form
    1,565,003.52/2,159,713.84 = 920,450.88/x
  3. Step 3: Cross multiply
    1,565,003.52x = 2,159,713.84 × 920,450.88
  4. Step 4: Simplify right side
    1,565,003.52x = 1,987,910,504,576.18
  5. Step 5: Solve for x
    x = 1,987,910,504,576.18/1,565,003.52
  6. Step 6: Final answer
    x = 1,270,227.50

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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.