Home / 1,103,740.80-1,651,674.60-765,193.20

Finding the Fourth Proportional to 1,103,740.80, 1,651,674.60 and 765,193.20

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Solution

The fourth proportional to 1,103,740.80, 1,651,674.60 and 765,193.20 is: 1,145,060.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,740.80 : 1,651,674.60 = 765,193.20 : x
  2. Step 2: Convert to fraction form
    1,103,740.80/1,651,674.60 = 765,193.20/x
  3. Step 3: Cross multiply
    1,103,740.80x = 1,651,674.60 × 765,193.20
  4. Step 4: Simplify right side
    1,103,740.80x = 1,263,850,172,532.72
  5. Step 5: Solve for x
    x = 1,263,850,172,532.72/1,103,740.80
  6. Step 6: Final answer
    x = 1,145,060.66

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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.