Home / 1,445,617.88-1,994,996.40-800,977.76

Finding the Fourth Proportional to 1,445,617.88, 1,994,996.40 and 800,977.76

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Solution

The fourth proportional to 1,445,617.88, 1,994,996.40 and 800,977.76 is: 1,105,373.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,617.88 : 1,994,996.40 = 800,977.76 : x
  2. Step 2: Convert to fraction form
    1,445,617.88/1,994,996.40 = 800,977.76/x
  3. Step 3: Cross multiply
    1,445,617.88x = 1,994,996.40 × 800,977.76
  4. Step 4: Simplify right side
    1,445,617.88x = 1,597,947,747,680.06
  5. Step 5: Solve for x
    x = 1,597,947,747,680.06/1,445,617.88
  6. Step 6: Final answer
    x = 1,105,373.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.