Home / 1,518,760.76-2,095,954.94-830,391.57

Finding the Fourth Proportional to 1,518,760.76, 2,095,954.94 and 830,391.57

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Solution

The fourth proportional to 1,518,760.76, 2,095,954.94 and 830,391.57 is: 1,145,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,760.76 : 2,095,954.94 = 830,391.57 : x
  2. Step 2: Convert to fraction form
    1,518,760.76/2,095,954.94 = 830,391.57/x
  3. Step 3: Cross multiply
    1,518,760.76x = 2,095,954.94 × 830,391.57
  4. Step 4: Simplify right side
    1,518,760.76x = 1,740,463,309,123.90
  5. Step 5: Solve for x
    x = 1,740,463,309,123.90/1,518,760.76
  6. Step 6: Final answer
    x = 1,145,975.96

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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.