Home / 957,746.98-1,436,620.46-909,855.78

Finding the Fourth Proportional to 957,746.98, 1,436,620.46 and 909,855.78

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Solution

The fourth proportional to 957,746.98, 1,436,620.46 and 909,855.78 is: 1,364,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,746.98 : 1,436,620.46 = 909,855.78 : x
  2. Step 2: Convert to fraction form
    957,746.98/1,436,620.46 = 909,855.78/x
  3. Step 3: Cross multiply
    957,746.98x = 1,436,620.46 × 909,855.78
  4. Step 4: Simplify right side
    957,746.98x = 1,307,117,424,647.98
  5. Step 5: Solve for x
    x = 1,307,117,424,647.98/957,746.98
  6. Step 6: Final answer
    x = 1,364,783.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.