Home / 813,333.58-1,212,728.93-790,987.85

Finding the Fourth Proportional to 813,333.58, 1,212,728.93 and 790,987.85

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Solution

The fourth proportional to 813,333.58, 1,212,728.93 and 790,987.85 is: 1,179,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,333.58 : 1,212,728.93 = 790,987.85 : x
  2. Step 2: Convert to fraction form
    813,333.58/1,212,728.93 = 790,987.85/x
  3. Step 3: Cross multiply
    813,333.58x = 1,212,728.93 × 790,987.85
  4. Step 4: Simplify right side
    813,333.58x = 959,253,848,973.50
  5. Step 5: Solve for x
    x = 959,253,848,973.50/813,333.58
  6. Step 6: Final answer
    x = 1,179,410.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.