Home / 1,262,325.30-1,742,022.77-689,382.33

Finding the Fourth Proportional to 1,262,325.30, 1,742,022.77 and 689,382.33

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Solution

The fourth proportional to 1,262,325.30, 1,742,022.77 and 689,382.33 is: 951,355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,325.30 : 1,742,022.77 = 689,382.33 : x
  2. Step 2: Convert to fraction form
    1,262,325.30/1,742,022.77 = 689,382.33/x
  3. Step 3: Cross multiply
    1,262,325.30x = 1,742,022.77 × 689,382.33
  4. Step 4: Simplify right side
    1,262,325.30x = 1,200,919,712,648.74
  5. Step 5: Solve for x
    x = 1,200,919,712,648.74/1,262,325.30
  6. Step 6: Final answer
    x = 951,355.18

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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.