Home / 1,672,072.57-2,308,164.75-1,128,943.27

Finding the Fourth Proportional to 1,672,072.57, 2,308,164.75 and 1,128,943.27

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Solution

The fourth proportional to 1,672,072.57, 2,308,164.75 and 1,128,943.27 is: 1,558,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,072.57 : 2,308,164.75 = 1,128,943.27 : x
  2. Step 2: Convert to fraction form
    1,672,072.57/2,308,164.75 = 1,128,943.27/x
  3. Step 3: Cross multiply
    1,672,072.57x = 2,308,164.75 × 1,128,943.27
  4. Step 4: Simplify right side
    1,672,072.57x = 2,605,787,043,378.19
  5. Step 5: Solve for x
    x = 2,605,787,043,378.19/1,672,072.57
  6. Step 6: Final answer
    x = 1,558,417.44

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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.