Home / 1,376,291.66-1,898,623.40-968,619.67

Finding the Fourth Proportional to 1,376,291.66, 1,898,623.40 and 968,619.67

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Solution

The fourth proportional to 1,376,291.66, 1,898,623.40 and 968,619.67 is: 1,336,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,291.66 : 1,898,623.40 = 968,619.67 : x
  2. Step 2: Convert to fraction form
    1,376,291.66/1,898,623.40 = 968,619.67/x
  3. Step 3: Cross multiply
    1,376,291.66x = 1,898,623.40 × 968,619.67
  4. Step 4: Simplify right side
    1,376,291.66x = 1,839,043,961,572.62
  5. Step 5: Solve for x
    x = 1,839,043,961,572.62/1,376,291.66
  6. Step 6: Final answer
    x = 1,336,231.28

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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.