Home / 1,296,521.64-1,789,196.58-723,555.72

Finding the Fourth Proportional to 1,296,521.64, 1,789,196.58 and 723,555.72

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Solution

The fourth proportional to 1,296,521.64, 1,789,196.58 and 723,555.72 is: 998,505.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,521.64 : 1,789,196.58 = 723,555.72 : x
  2. Step 2: Convert to fraction form
    1,296,521.64/1,789,196.58 = 723,555.72/x
  3. Step 3: Cross multiply
    1,296,521.64x = 1,789,196.58 × 723,555.72
  4. Step 4: Simplify right side
    1,296,521.64x = 1,294,583,419,663.44
  5. Step 5: Solve for x
    x = 1,294,583,419,663.44/1,296,521.64
  6. Step 6: Final answer
    x = 998,505.06

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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.