Home / 1,383,457.27-2,075,249.49-423,844.06

Finding the Fourth Proportional to 1,383,457.27, 2,075,249.49 and 423,844.06

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Solution

The fourth proportional to 1,383,457.27, 2,075,249.49 and 423,844.06 is: 635,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,457.27 : 2,075,249.49 = 423,844.06 : x
  2. Step 2: Convert to fraction form
    1,383,457.27/2,075,249.49 = 423,844.06/x
  3. Step 3: Cross multiply
    1,383,457.27x = 2,075,249.49 × 423,844.06
  4. Step 4: Simplify right side
    1,383,457.27x = 879,582,169,354.53
  5. Step 5: Solve for x
    x = 879,582,169,354.53/1,383,457.27
  6. Step 6: Final answer
    x = 635,785.57

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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.