Home / 1,383,959.10-2,075,938.65-636,005.10

Finding the Fourth Proportional to 1,383,959.10, 2,075,938.65 and 636,005.10

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Solution

The fourth proportional to 1,383,959.10, 2,075,938.65 and 636,005.10 is: 954,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,959.10 : 2,075,938.65 = 636,005.10 : x
  2. Step 2: Convert to fraction form
    1,383,959.10/2,075,938.65 = 636,005.10/x
  3. Step 3: Cross multiply
    1,383,959.10x = 2,075,938.65 × 636,005.10
  4. Step 4: Simplify right side
    1,383,959.10x = 1,320,307,568,687.12
  5. Step 5: Solve for x
    x = 1,320,307,568,687.12/1,383,959.10
  6. Step 6: Final answer
    x = 954,007.65

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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.