Home / 1,349,840.40-2,026,072.80-818,399.40

Finding the Fourth Proportional to 1,349,840.40, 2,026,072.80 and 818,399.40

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Solution

The fourth proportional to 1,349,840.40, 2,026,072.80 and 818,399.40 is: 1,228,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,840.40 : 2,026,072.80 = 818,399.40 : x
  2. Step 2: Convert to fraction form
    1,349,840.40/2,026,072.80 = 818,399.40/x
  3. Step 3: Cross multiply
    1,349,840.40x = 2,026,072.80 × 818,399.40
  4. Step 4: Simplify right side
    1,349,840.40x = 1,658,136,763,876.32
  5. Step 5: Solve for x
    x = 1,658,136,763,876.32/1,349,840.40
  6. Step 6: Final answer
    x = 1,228,394.68

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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.