Home / 970,128.44-1,455,367.97-401,200.56

Finding the Fourth Proportional to 970,128.44, 1,455,367.97 and 401,200.56

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Solution

The fourth proportional to 970,128.44, 1,455,367.97 and 401,200.56 is: 601,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,128.44 : 1,455,367.97 = 401,200.56 : x
  2. Step 2: Convert to fraction form
    970,128.44/1,455,367.97 = 401,200.56/x
  3. Step 3: Cross multiply
    970,128.44x = 1,455,367.97 × 401,200.56
  4. Step 4: Simplify right side
    970,128.44x = 583,894,442,564.06
  5. Step 5: Solve for x
    x = 583,894,442,564.06/970,128.44
  6. Step 6: Final answer
    x = 601,873.34

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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.