Home / 1,326,504.70-1,830,056.79-816,321.34

Finding the Fourth Proportional to 1,326,504.70, 1,830,056.79 and 816,321.34

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Solution

The fourth proportional to 1,326,504.70, 1,830,056.79 and 816,321.34 is: 1,126,203.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,504.70 : 1,830,056.79 = 816,321.34 : x
  2. Step 2: Convert to fraction form
    1,326,504.70/1,830,056.79 = 816,321.34/x
  3. Step 3: Cross multiply
    1,326,504.70x = 1,830,056.79 × 816,321.34
  4. Step 4: Simplify right side
    1,326,504.70x = 1,493,914,411,088.90
  5. Step 5: Solve for x
    x = 1,493,914,411,088.90/1,326,504.70
  6. Step 6: Final answer
    x = 1,126,203.63

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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.