Home / 1,405,414.40-1,939,476.24-760,833.05

Finding the Fourth Proportional to 1,405,414.40, 1,939,476.24 and 760,833.05

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Solution

The fourth proportional to 1,405,414.40, 1,939,476.24 and 760,833.05 is: 1,049,951.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,414.40 : 1,939,476.24 = 760,833.05 : x
  2. Step 2: Convert to fraction form
    1,405,414.40/1,939,476.24 = 760,833.05/x
  3. Step 3: Cross multiply
    1,405,414.40x = 1,939,476.24 × 760,833.05
  4. Step 4: Simplify right side
    1,405,414.40x = 1,475,617,623,224.02
  5. Step 5: Solve for x
    x = 1,475,617,623,224.02/1,405,414.40
  6. Step 6: Final answer
    x = 1,049,951.98

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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.