Home / 1,438,521.24-1,985,149.54-793,941.42

Finding the Fourth Proportional to 1,438,521.24, 1,985,149.54 and 793,941.42

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Solution

The fourth proportional to 1,438,521.24, 1,985,149.54 and 793,941.42 is: 1,095,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,521.24 : 1,985,149.54 = 793,941.42 : x
  2. Step 2: Convert to fraction form
    1,438,521.24/1,985,149.54 = 793,941.42/x
  3. Step 3: Cross multiply
    1,438,521.24x = 1,985,149.54 × 793,941.42
  4. Step 4: Simplify right side
    1,438,521.24x = 1,576,092,444,699.95
  5. Step 5: Solve for x
    x = 1,576,092,444,699.95/1,438,521.24
  6. Step 6: Final answer
    x = 1,095,633.77

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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.