Home / 1,405,381.41-1,939,425.93-760,801.12

Finding the Fourth Proportional to 1,405,381.41, 1,939,425.93 and 760,801.12

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Solution

The fourth proportional to 1,405,381.41, 1,939,425.93 and 760,801.12 is: 1,049,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,381.41 : 1,939,425.93 = 760,801.12 : x
  2. Step 2: Convert to fraction form
    1,405,381.41/1,939,425.93 = 760,801.12/x
  3. Step 3: Cross multiply
    1,405,381.41x = 1,939,425.93 × 760,801.12
  4. Step 4: Simplify right side
    1,405,381.41x = 1,475,517,419,701.04
  5. Step 5: Solve for x
    x = 1,475,517,419,701.04/1,405,381.41
  6. Step 6: Final answer
    x = 1,049,905.32

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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.