Home / 1,438,603.96-1,985,132.04-793,982.61

Finding the Fourth Proportional to 1,438,603.96, 1,985,132.04 and 793,982.61

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Solution

The fourth proportional to 1,438,603.96, 1,985,132.04 and 793,982.61 is: 1,095,617.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,603.96 : 1,985,132.04 = 793,982.61 : x
  2. Step 2: Convert to fraction form
    1,438,603.96/1,985,132.04 = 793,982.61/x
  3. Step 3: Cross multiply
    1,438,603.96x = 1,985,132.04 × 793,982.61
  4. Step 4: Simplify right side
    1,438,603.96x = 1,576,160,318,313.82
  5. Step 5: Solve for x
    x = 1,576,160,318,313.82/1,438,603.96
  6. Step 6: Final answer
    x = 1,095,617.95

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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.