Home / 1,370,272.80-2,052,653.58-770,334.96

Finding the Fourth Proportional to 1,370,272.80, 2,052,653.58 and 770,334.96

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Solution

The fourth proportional to 1,370,272.80, 2,052,653.58 and 770,334.96 is: 1,153,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,272.80 : 2,052,653.58 = 770,334.96 : x
  2. Step 2: Convert to fraction form
    1,370,272.80/2,052,653.58 = 770,334.96/x
  3. Step 3: Cross multiply
    1,370,272.80x = 2,052,653.58 × 770,334.96
  4. Step 4: Simplify right side
    1,370,272.80x = 1,581,230,813,443.16
  5. Step 5: Solve for x
    x = 1,581,230,813,443.16/1,370,272.80
  6. Step 6: Final answer
    x = 1,153,953.30

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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.