Home / 905,200.65-1,270,823.85-905,200.65

Finding the Fourth Proportional to 905,200.65, 1,270,823.85 and 905,200.65

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Solution

The fourth proportional to 905,200.65, 1,270,823.85 and 905,200.65 is: 1,270,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,200.65 : 1,270,823.85 = 905,200.65 : x
  2. Step 2: Convert to fraction form
    905,200.65/1,270,823.85 = 905,200.65/x
  3. Step 3: Cross multiply
    905,200.65x = 1,270,823.85 × 905,200.65
  4. Step 4: Simplify right side
    905,200.65x = 1,150,350,575,055.50
  5. Step 5: Solve for x
    x = 1,150,350,575,055.50/905,200.65
  6. Step 6: Final answer
    x = 1,270,823.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.