Home / 1,627,945.12-2,246,564.40-902,903.68

Finding the Fourth Proportional to 1,627,945.12, 2,246,564.40 and 902,903.68

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Solution

The fourth proportional to 1,627,945.12, 2,246,564.40 and 902,903.68 is: 1,246,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,945.12 : 2,246,564.40 = 902,903.68 : x
  2. Step 2: Convert to fraction form
    1,627,945.12/2,246,564.40 = 902,903.68/x
  3. Step 3: Cross multiply
    1,627,945.12x = 2,246,564.40 × 902,903.68
  4. Step 4: Simplify right side
    1,627,945.12x = 2,028,431,264,116.99
  5. Step 5: Solve for x
    x = 2,028,431,264,116.99/1,627,945.12
  6. Step 6: Final answer
    x = 1,246,007.15

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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.