Home / 1,376,015.70-2,064,023.55-667,427.70

Finding the Fourth Proportional to 1,376,015.70, 2,064,023.55 and 667,427.70

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Solution

The fourth proportional to 1,376,015.70, 2,064,023.55 and 667,427.70 is: 1,001,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,015.70 : 2,064,023.55 = 667,427.70 : x
  2. Step 2: Convert to fraction form
    1,376,015.70/2,064,023.55 = 667,427.70/x
  3. Step 3: Cross multiply
    1,376,015.70x = 2,064,023.55 × 667,427.70
  4. Step 4: Simplify right side
    1,376,015.70x = 1,377,586,490,722.34
  5. Step 5: Solve for x
    x = 1,377,586,490,722.34/1,376,015.70
  6. Step 6: Final answer
    x = 1,001,141.55

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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.