Home / 1,264,881.60-1,893,385.80-730,816.20

Finding the Fourth Proportional to 1,264,881.60, 1,893,385.80 and 730,816.20

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Solution

The fourth proportional to 1,264,881.60, 1,893,385.80 and 730,816.20 is: 1,093,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,881.60 : 1,893,385.80 = 730,816.20 : x
  2. Step 2: Convert to fraction form
    1,264,881.60/1,893,385.80 = 730,816.20/x
  3. Step 3: Cross multiply
    1,264,881.60x = 1,893,385.80 × 730,816.20
  4. Step 4: Simplify right side
    1,264,881.60x = 1,383,717,015,489.96
  5. Step 5: Solve for x
    x = 1,383,717,015,489.96/1,264,881.60
  6. Step 6: Final answer
    x = 1,093,949.83

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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.