Home / 1,375,384.89-1,898,328.24-1,049,544.57

Finding the Fourth Proportional to 1,375,384.89, 1,898,328.24 and 1,049,544.57

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Solution

The fourth proportional to 1,375,384.89, 1,898,328.24 and 1,049,544.57 is: 1,448,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,384.89 : 1,898,328.24 = 1,049,544.57 : x
  2. Step 2: Convert to fraction form
    1,375,384.89/1,898,328.24 = 1,049,544.57/x
  3. Step 3: Cross multiply
    1,375,384.89x = 1,898,328.24 × 1,049,544.57
  4. Step 4: Simplify right side
    1,375,384.89x = 1,992,380,096,369.66
  5. Step 5: Solve for x
    x = 1,992,380,096,369.66/1,375,384.89
  6. Step 6: Final answer
    x = 1,448,598.21

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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.