Home / 1,280,185.67-1,766,707.11-736,320.89

Finding the Fourth Proportional to 1,280,185.67, 1,766,707.11 and 736,320.89

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Solution

The fourth proportional to 1,280,185.67, 1,766,707.11 and 736,320.89 is: 1,016,152.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,185.67 : 1,766,707.11 = 736,320.89 : x
  2. Step 2: Convert to fraction form
    1,280,185.67/1,766,707.11 = 736,320.89/x
  3. Step 3: Cross multiply
    1,280,185.67x = 1,766,707.11 × 736,320.89
  4. Step 4: Simplify right side
    1,280,185.67x = 1,300,863,342,770.99
  5. Step 5: Solve for x
    x = 1,300,863,342,770.99/1,280,185.67
  6. Step 6: Final answer
    x = 1,016,152.09

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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.