Home / 902,090.90-1,351,696.98-661,087.86

Finding the Fourth Proportional to 902,090.90, 1,351,696.98 and 661,087.86

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Solution

The fourth proportional to 902,090.90, 1,351,696.98 and 661,087.86 is: 990,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,090.90 : 1,351,696.98 = 661,087.86 : x
  2. Step 2: Convert to fraction form
    902,090.90/1,351,696.98 = 661,087.86/x
  3. Step 3: Cross multiply
    902,090.90x = 1,351,696.98 × 661,087.86
  4. Step 4: Simplify right side
    902,090.90x = 893,590,461,286.88
  5. Step 5: Solve for x
    x = 893,590,461,286.88/902,090.90
  6. Step 6: Final answer
    x = 990,576.96

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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.