Home / 1,262,726.82-1,742,534.37-689,769.54

Finding the Fourth Proportional to 1,262,726.82, 1,742,534.37 and 689,769.54

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Solution

The fourth proportional to 1,262,726.82, 1,742,534.37 and 689,769.54 is: 951,866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,726.82 : 1,742,534.37 = 689,769.54 : x
  2. Step 2: Convert to fraction form
    1,262,726.82/1,742,534.37 = 689,769.54/x
  3. Step 3: Cross multiply
    1,262,726.82x = 1,742,534.37 × 689,769.54
  4. Step 4: Simplify right side
    1,262,726.82x = 1,201,947,130,829.09
  5. Step 5: Solve for x
    x = 1,201,947,130,829.09/1,262,726.82
  6. Step 6: Final answer
    x = 951,866.32

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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.