Home / 1,330,718.72-1,836,390.03-757,758.89

Finding the Fourth Proportional to 1,330,718.72, 1,836,390.03 and 757,758.89

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Solution

The fourth proportional to 1,330,718.72, 1,836,390.03 and 757,758.89 is: 1,045,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,718.72 : 1,836,390.03 = 757,758.89 : x
  2. Step 2: Convert to fraction form
    1,330,718.72/1,836,390.03 = 757,758.89/x
  3. Step 3: Cross multiply
    1,330,718.72x = 1,836,390.03 × 757,758.89
  4. Step 4: Simplify right side
    1,330,718.72x = 1,391,540,870,739.87
  5. Step 5: Solve for x
    x = 1,391,540,870,739.87/1,330,718.72
  6. Step 6: Final answer
    x = 1,045,706.24

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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.