Home / 1,438,515.23-1,985,141.26-793,935.43

Finding the Fourth Proportional to 1,438,515.23, 1,985,141.26 and 793,935.43

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Solution

The fourth proportional to 1,438,515.23, 1,985,141.26 and 793,935.43 is: 1,095,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,515.23 : 1,985,141.26 = 793,935.43 : x
  2. Step 2: Convert to fraction form
    1,438,515.23/1,985,141.26 = 793,935.43/x
  3. Step 3: Cross multiply
    1,438,515.23x = 1,985,141.26 × 793,935.43
  4. Step 4: Simplify right side
    1,438,515.23x = 1,576,073,979,868.84
  5. Step 5: Solve for x
    x = 1,576,073,979,868.84/1,438,515.23
  6. Step 6: Final answer
    x = 1,095,625.51

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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.