Home / 1,790,639.22-2,686,150.80-766,075.89

Finding the Fourth Proportional to 1,790,639.22, 2,686,150.80 and 766,075.89

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Solution

The fourth proportional to 1,790,639.22, 2,686,150.80 and 766,075.89 is: 1,149,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,639.22 : 2,686,150.80 = 766,075.89 : x
  2. Step 2: Convert to fraction form
    1,790,639.22/2,686,150.80 = 766,075.89/x
  3. Step 3: Cross multiply
    1,790,639.22x = 2,686,150.80 × 766,075.89
  4. Step 4: Simplify right side
    1,790,639.22x = 2,057,795,364,784.21
  5. Step 5: Solve for x
    x = 2,057,795,364,784.21/1,790,639.22
  6. Step 6: Final answer
    x = 1,149,195.96

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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.