Home / 1,397,840.40-2,091,922.20-837,277.20

Finding the Fourth Proportional to 1,397,840.40, 2,091,922.20 and 837,277.20

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Solution

The fourth proportional to 1,397,840.40, 2,091,922.20 and 837,277.20 is: 1,253,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,840.40 : 2,091,922.20 = 837,277.20 : x
  2. Step 2: Convert to fraction form
    1,397,840.40/2,091,922.20 = 837,277.20/x
  3. Step 3: Cross multiply
    1,397,840.40x = 2,091,922.20 × 837,277.20
  4. Step 4: Simplify right side
    1,397,840.40x = 1,751,518,762,233.84
  5. Step 5: Solve for x
    x = 1,751,518,762,233.84/1,397,840.40
  6. Step 6: Final answer
    x = 1,253,017.70

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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.