Home / 1,105,455.30-1,654,246.35-766,907.70

Finding the Fourth Proportional to 1,105,455.30, 1,654,246.35 and 766,907.70

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Solution

The fourth proportional to 1,105,455.30, 1,654,246.35 and 766,907.70 is: 1,147,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,455.30 : 1,654,246.35 = 766,907.70 : x
  2. Step 2: Convert to fraction form
    1,105,455.30/1,654,246.35 = 766,907.70/x
  3. Step 3: Cross multiply
    1,105,455.30x = 1,654,246.35 × 766,907.70
  4. Step 4: Simplify right side
    1,105,455.30x = 1,268,654,263,511.90
  5. Step 5: Solve for x
    x = 1,268,654,263,511.90/1,105,455.30
  6. Step 6: Final answer
    x = 1,147,630.54

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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.