Home / 1,413,158.40-2,116,972.80-850,521.60

Finding the Fourth Proportional to 1,413,158.40, 2,116,972.80 and 850,521.60

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Solution

The fourth proportional to 1,413,158.40, 2,116,972.80 and 850,521.60 is: 1,274,118.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,158.40 : 2,116,972.80 = 850,521.60 : x
  2. Step 2: Convert to fraction form
    1,413,158.40/2,116,972.80 = 850,521.60/x
  3. Step 3: Cross multiply
    1,413,158.40x = 2,116,972.80 × 850,521.60
  4. Step 4: Simplify right side
    1,413,158.40x = 1,800,531,093,012.48
  5. Step 5: Solve for x
    x = 1,800,531,093,012.48/1,413,158.40
  6. Step 6: Final answer
    x = 1,274,118.38

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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.