Home / 1,040,836.42-1,436,409.09-632,870.70

Finding the Fourth Proportional to 1,040,836.42, 1,436,409.09 and 632,870.70

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Solution

The fourth proportional to 1,040,836.42, 1,436,409.09 and 632,870.70 is: 873,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,836.42 : 1,436,409.09 = 632,870.70 : x
  2. Step 2: Convert to fraction form
    1,040,836.42/1,436,409.09 = 632,870.70/x
  3. Step 3: Cross multiply
    1,040,836.42x = 1,436,409.09 × 632,870.70
  4. Step 4: Simplify right side
    1,040,836.42x = 909,061,226,274.66
  5. Step 5: Solve for x
    x = 909,061,226,274.66/1,040,836.42
  6. Step 6: Final answer
    x = 873,394.91

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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.