Home / 1,263,286.62-1,893,138.60-977,647.50

Finding the Fourth Proportional to 1,263,286.62, 1,893,138.60 and 977,647.50

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Solution

The fourth proportional to 1,263,286.62, 1,893,138.60 and 977,647.50 is: 1,465,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,286.62 : 1,893,138.60 = 977,647.50 : x
  2. Step 2: Convert to fraction form
    1,263,286.62/1,893,138.60 = 977,647.50/x
  3. Step 3: Cross multiply
    1,263,286.62x = 1,893,138.60 × 977,647.50
  4. Step 4: Simplify right side
    1,263,286.62x = 1,850,822,219,443.50
  5. Step 5: Solve for x
    x = 1,850,822,219,443.50/1,263,286.62
  6. Step 6: Final answer
    x = 1,465,084.95

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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.