Home / 1,438,660.82-1,985,400.00-785,325.56

Finding the Fourth Proportional to 1,438,660.82, 1,985,400.00 and 785,325.56

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Solution

The fourth proportional to 1,438,660.82, 1,985,400.00 and 785,325.56 is: 1,083,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,660.82 : 1,985,400.00 = 785,325.56 : x
  2. Step 2: Convert to fraction form
    1,438,660.82/1,985,400.00 = 785,325.56/x
  3. Step 3: Cross multiply
    1,438,660.82x = 1,985,400.00 × 785,325.56
  4. Step 4: Simplify right side
    1,438,660.82x = 1,559,185,364,946.84
  5. Step 5: Solve for x
    x = 1,559,185,364,946.84/1,438,660.82
  6. Step 6: Final answer
    x = 1,083,775.51

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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.