Home / 1,383,360.96-2,075,362.20-541,920

Finding the Fourth Proportional to 1,383,360.96, 2,075,362.20 and 541,920

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Solution

The fourth proportional to 1,383,360.96, 2,075,362.20 and 541,920 is: 813,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,360.96 : 2,075,362.20 = 541,920 : x
  2. Step 2: Convert to fraction form
    1,383,360.96/2,075,362.20 = 541,920/x
  3. Step 3: Cross multiply
    1,383,360.96x = 2,075,362.20 × 541,920
  4. Step 4: Simplify right side
    1,383,360.96x = 1,124,680,283,424
  5. Step 5: Solve for x
    x = 1,124,680,283,424/1,383,360.96
  6. Step 6: Final answer
    x = 813,005.66

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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.