Home / 1,201,954.45-1,658,697.39-658,090.34

Finding the Fourth Proportional to 1,201,954.45, 1,658,697.39 and 658,090.34

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Solution

The fourth proportional to 1,201,954.45, 1,658,697.39 and 658,090.34 is: 908,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,954.45 : 1,658,697.39 = 658,090.34 : x
  2. Step 2: Convert to fraction form
    1,201,954.45/1,658,697.39 = 658,090.34/x
  3. Step 3: Cross multiply
    1,201,954.45x = 1,658,697.39 × 658,090.34
  4. Step 4: Simplify right side
    1,201,954.45x = 1,091,572,726,051.76
  5. Step 5: Solve for x
    x = 1,091,572,726,051.76/1,201,954.45
  6. Step 6: Final answer
    x = 908,164.81

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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.