Home / 1,395,441.12-2,090,359.07-636,238.25

Finding the Fourth Proportional to 1,395,441.12, 2,090,359.07 and 636,238.25

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Solution

The fourth proportional to 1,395,441.12, 2,090,359.07 and 636,238.25 is: 953,079.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,441.12 : 2,090,359.07 = 636,238.25 : x
  2. Step 2: Convert to fraction form
    1,395,441.12/2,090,359.07 = 636,238.25/x
  3. Step 3: Cross multiply
    1,395,441.12x = 2,090,359.07 × 636,238.25
  4. Step 4: Simplify right side
    1,395,441.12x = 1,329,966,382,935.44
  5. Step 5: Solve for x
    x = 1,329,966,382,935.44/1,395,441.12
  6. Step 6: Final answer
    x = 953,079.54

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1.5x scale

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.