Home / 1,438,575.57-1,985,092.95-793,954.15

Finding the Fourth Proportional to 1,438,575.57, 1,985,092.95 and 793,954.15

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Solution

The fourth proportional to 1,438,575.57, 1,985,092.95 and 793,954.15 is: 1,095,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,575.57 : 1,985,092.95 = 793,954.15 : x
  2. Step 2: Convert to fraction form
    1,438,575.57/1,985,092.95 = 793,954.15/x
  3. Step 3: Cross multiply
    1,438,575.57x = 1,985,092.95 × 793,954.15
  4. Step 4: Simplify right side
    1,438,575.57x = 1,576,072,785,788.24
  5. Step 5: Solve for x
    x = 1,576,072,785,788.24/1,438,575.57
  6. Step 6: Final answer
    x = 1,095,578.72

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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.