Home / 1,438,912.24-1,985,703.19-785,539.28

Finding the Fourth Proportional to 1,438,912.24, 1,985,703.19 and 785,539.28

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Solution

The fourth proportional to 1,438,912.24, 1,985,703.19 and 785,539.28 is: 1,084,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,912.24 : 1,985,703.19 = 785,539.28 : x
  2. Step 2: Convert to fraction form
    1,438,912.24/1,985,703.19 = 785,539.28/x
  3. Step 3: Cross multiply
    1,438,912.24x = 1,985,703.19 × 785,539.28
  4. Step 4: Simplify right side
    1,438,912.24x = 1,559,847,857,166.71
  5. Step 5: Solve for x
    x = 1,559,847,857,166.71/1,438,912.24
  6. Step 6: Final answer
    x = 1,084,046.56

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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.