Home / 1,438,611.30-1,985,142.17-793,989.95

Finding the Fourth Proportional to 1,438,611.30, 1,985,142.17 and 793,989.95

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Solution

The fourth proportional to 1,438,611.30, 1,985,142.17 and 793,989.95 is: 1,095,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,611.30 : 1,985,142.17 = 793,989.95 : x
  2. Step 2: Convert to fraction form
    1,438,611.30/1,985,142.17 = 793,989.95/x
  3. Step 3: Cross multiply
    1,438,611.30x = 1,985,142.17 × 793,989.95
  4. Step 4: Simplify right side
    1,438,611.30x = 1,576,182,924,360.46
  5. Step 5: Solve for x
    x = 1,576,182,924,360.46/1,438,611.30
  6. Step 6: Final answer
    x = 1,095,628.07

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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.