Home / 1,439,268.31-1,985,357.62-929,970.69

Finding the Fourth Proportional to 1,439,268.31, 1,985,357.62 and 929,970.69

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Solution

The fourth proportional to 1,439,268.31, 1,985,357.62 and 929,970.69 is: 1,282,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,268.31 : 1,985,357.62 = 929,970.69 : x
  2. Step 2: Convert to fraction form
    1,439,268.31/1,985,357.62 = 929,970.69/x
  3. Step 3: Cross multiply
    1,439,268.31x = 1,985,357.62 × 929,970.69
  4. Step 4: Simplify right side
    1,439,268.31x = 1,846,324,389,485.53
  5. Step 5: Solve for x
    x = 1,846,324,389,485.53/1,439,268.31
  6. Step 6: Final answer
    x = 1,282,821.54

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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.