Home / 1,381,199.72-2,071,974.54-383,927.72

Finding the Fourth Proportional to 1,381,199.72, 2,071,974.54 and 383,927.72

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Solution

The fourth proportional to 1,381,199.72, 2,071,974.54 and 383,927.72 is: 575,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,199.72 : 2,071,974.54 = 383,927.72 : x
  2. Step 2: Convert to fraction form
    1,381,199.72/2,071,974.54 = 383,927.72/x
  3. Step 3: Cross multiply
    1,381,199.72x = 2,071,974.54 × 383,927.72
  4. Step 4: Simplify right side
    1,381,199.72x = 795,488,461,040.25
  5. Step 5: Solve for x
    x = 795,488,461,040.25/1,381,199.72
  6. Step 6: Final answer
    x = 575,940.21

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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.