Home / 1,018,506.97-1,405,012.60-691,836.83

Finding the Fourth Proportional to 1,018,506.97, 1,405,012.60 and 691,836.83

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Solution

The fourth proportional to 1,018,506.97, 1,405,012.60 and 691,836.83 is: 954,376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,506.97 : 1,405,012.60 = 691,836.83 : x
  2. Step 2: Convert to fraction form
    1,018,506.97/1,405,012.60 = 691,836.83/x
  3. Step 3: Cross multiply
    1,018,506.97x = 1,405,012.60 × 691,836.83
  4. Step 4: Simplify right side
    1,018,506.97x = 972,039,463,294.06
  5. Step 5: Solve for x
    x = 972,039,463,294.06/1,018,506.97
  6. Step 6: Final answer
    x = 954,376.84

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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.