Home / 1,438,726.36-1,985,442.48-794,146.72

Finding the Fourth Proportional to 1,438,726.36, 1,985,442.48 and 794,146.72

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Solution

The fourth proportional to 1,438,726.36, 1,985,442.48 and 794,146.72 is: 1,095,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,726.36 : 1,985,442.48 = 794,146.72 : x
  2. Step 2: Convert to fraction form
    1,438,726.36/1,985,442.48 = 794,146.72/x
  3. Step 3: Cross multiply
    1,438,726.36x = 1,985,442.48 × 794,146.72
  4. Step 4: Simplify right side
    1,438,726.36x = 1,576,732,633,240.67
  5. Step 5: Solve for x
    x = 1,576,732,633,240.67/1,438,726.36
  6. Step 6: Final answer
    x = 1,095,922.53

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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.