Home / 1,261,580.20-1,740,747.81-717,684.22

Finding the Fourth Proportional to 1,261,580.20, 1,740,747.81 and 717,684.22

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Solution

The fourth proportional to 1,261,580.20, 1,740,747.81 and 717,684.22 is: 990,271.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,580.20 : 1,740,747.81 = 717,684.22 : x
  2. Step 2: Convert to fraction form
    1,261,580.20/1,740,747.81 = 717,684.22/x
  3. Step 3: Cross multiply
    1,261,580.20x = 1,740,747.81 × 717,684.22
  4. Step 4: Simplify right side
    1,261,580.20x = 1,249,307,234,236.56
  5. Step 5: Solve for x
    x = 1,249,307,234,236.56/1,261,580.20
  6. Step 6: Final answer
    x = 990,271.75

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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.