Home / 1,380,851.76-2,071,351.44-434,296.28

Finding the Fourth Proportional to 1,380,851.76, 2,071,351.44 and 434,296.28

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Solution

The fourth proportional to 1,380,851.76, 2,071,351.44 and 434,296.28 is: 651,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,851.76 : 2,071,351.44 = 434,296.28 : x
  2. Step 2: Convert to fraction form
    1,380,851.76/2,071,351.44 = 434,296.28/x
  3. Step 3: Cross multiply
    1,380,851.76x = 2,071,351.44 × 434,296.28
  4. Step 4: Simplify right side
    1,380,851.76x = 899,580,224,964.64
  5. Step 5: Solve for x
    x = 899,580,224,964.64/1,380,851.76
  6. Step 6: Final answer
    x = 651,467.63

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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.