Home / 1,931,835.78-2,665,799.82-1,072,328.38

Finding the Fourth Proportional to 1,931,835.78, 2,665,799.82 and 1,072,328.38

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Solution

The fourth proportional to 1,931,835.78, 2,665,799.82 and 1,072,328.38 is: 1,479,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,835.78 : 2,665,799.82 = 1,072,328.38 : x
  2. Step 2: Convert to fraction form
    1,931,835.78/2,665,799.82 = 1,072,328.38/x
  3. Step 3: Cross multiply
    1,931,835.78x = 2,665,799.82 × 1,072,328.38
  4. Step 4: Simplify right side
    1,931,835.78x = 2,858,612,802,384.89
  5. Step 5: Solve for x
    x = 2,858,612,802,384.89/1,931,835.78
  6. Step 6: Final answer
    x = 1,479,739.03

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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.