Home / 1,261,767.85-1,741,246.71-717,903.63

Finding the Fourth Proportional to 1,261,767.85, 1,741,246.71 and 717,903.63

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Solution

The fourth proportional to 1,261,767.85, 1,741,246.71 and 717,903.63 is: 990,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,767.85 : 1,741,246.71 = 717,903.63 : x
  2. Step 2: Convert to fraction form
    1,261,767.85/1,741,246.71 = 717,903.63/x
  3. Step 3: Cross multiply
    1,261,767.85x = 1,741,246.71 × 717,903.63
  4. Step 4: Simplify right side
    1,261,767.85x = 1,250,047,333,834.56
  5. Step 5: Solve for x
    x = 1,250,047,333,834.56/1,261,767.85
  6. Step 6: Final answer
    x = 990,711.03

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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.