Home / 1,383,954.60-2,075,931.90-636,000.60

Finding the Fourth Proportional to 1,383,954.60, 2,075,931.90 and 636,000.60

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Solution

The fourth proportional to 1,383,954.60, 2,075,931.90 and 636,000.60 is: 954,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,954.60 : 2,075,931.90 = 636,000.60 : x
  2. Step 2: Convert to fraction form
    1,383,954.60/2,075,931.90 = 636,000.60/x
  3. Step 3: Cross multiply
    1,383,954.60x = 2,075,931.90 × 636,000.60
  4. Step 4: Simplify right side
    1,383,954.60x = 1,320,293,933,959.14
  5. Step 5: Solve for x
    x = 1,320,293,933,959.14/1,383,954.60
  6. Step 6: Final answer
    x = 954,000.90

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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.