Home / 1,321,757.19-1,982,632.14-375,128.82

Finding the Fourth Proportional to 1,321,757.19, 1,982,632.14 and 375,128.82

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Solution

The fourth proportional to 1,321,757.19, 1,982,632.14 and 375,128.82 is: 562,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,757.19 : 1,982,632.14 = 375,128.82 : x
  2. Step 2: Convert to fraction form
    1,321,757.19/1,982,632.14 = 375,128.82/x
  3. Step 3: Cross multiply
    1,321,757.19x = 1,982,632.14 × 375,128.82
  4. Step 4: Simplify right side
    1,321,757.19x = 743,742,455,172.28
  5. Step 5: Solve for x
    x = 743,742,455,172.28/1,321,757.19
  6. Step 6: Final answer
    x = 562,692.20

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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.