Home / 1,190,850.53-1,643,364.86-646,990.77

Finding the Fourth Proportional to 1,190,850.53, 1,643,364.86 and 646,990.77

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Solution

The fourth proportional to 1,190,850.53, 1,643,364.86 and 646,990.77 is: 892,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,850.53 : 1,643,364.86 = 646,990.77 : x
  2. Step 2: Convert to fraction form
    1,190,850.53/1,643,364.86 = 646,990.77/x
  3. Step 3: Cross multiply
    1,190,850.53x = 1,643,364.86 × 646,990.77
  4. Step 4: Simplify right side
    1,190,850.53x = 1,063,241,892,927.39
  5. Step 5: Solve for x
    x = 1,063,241,892,927.39/1,190,850.53
  6. Step 6: Final answer
    x = 892,842.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.