Home / 1,296,374.48-1,788,880.20-812,785.04

Finding the Fourth Proportional to 1,296,374.48, 1,788,880.20 and 812,785.04

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Solution

The fourth proportional to 1,296,374.48, 1,788,880.20 and 812,785.04 is: 1,121,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,374.48 : 1,788,880.20 = 812,785.04 : x
  2. Step 2: Convert to fraction form
    1,296,374.48/1,788,880.20 = 812,785.04/x
  3. Step 3: Cross multiply
    1,296,374.48x = 1,788,880.20 × 812,785.04
  4. Step 4: Simplify right side
    1,296,374.48x = 1,453,975,064,912.21
  5. Step 5: Solve for x
    x = 1,453,975,064,912.21/1,296,374.48
  6. Step 6: Final answer
    x = 1,121,570.26

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