Home / 1,127,791.84-1,691,128-359,189.28

Finding the Fourth Proportional to 1,127,791.84, 1,691,128 and 359,189.28

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Solution

The fourth proportional to 1,127,791.84, 1,691,128 and 359,189.28 is: 538,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,791.84 : 1,691,128 = 359,189.28 : x
  2. Step 2: Convert to fraction form
    1,127,791.84/1,691,128 = 359,189.28/x
  3. Step 3: Cross multiply
    1,127,791.84x = 1,691,128 × 359,189.28
  4. Step 4: Simplify right side
    1,127,791.84x = 607,435,048,707.84
  5. Step 5: Solve for x
    x = 607,435,048,707.84/1,127,791.84
  6. Step 6: Final answer
    x = 538,605.64

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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.