Home / 1,581,629.18-2,182,804.40-902,667.26

Finding the Fourth Proportional to 1,581,629.18, 2,182,804.40 and 902,667.26

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Solution

The fourth proportional to 1,581,629.18, 2,182,804.40 and 902,667.26 is: 1,245,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,629.18 : 2,182,804.40 = 902,667.26 : x
  2. Step 2: Convert to fraction form
    1,581,629.18/2,182,804.40 = 902,667.26/x
  3. Step 3: Cross multiply
    1,581,629.18x = 2,182,804.40 × 902,667.26
  4. Step 4: Simplify right side
    1,581,629.18x = 1,970,346,066,863.94
  5. Step 5: Solve for x
    x = 1,970,346,066,863.94/1,581,629.18
  6. Step 6: Final answer
    x = 1,245,769.93

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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.