Home / 1,226,645.22-1,692,732.71-682,767.05

Finding the Fourth Proportional to 1,226,645.22, 1,692,732.71 and 682,767.05

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Solution

The fourth proportional to 1,226,645.22, 1,692,732.71 and 682,767.05 is: 942,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,645.22 : 1,692,732.71 = 682,767.05 : x
  2. Step 2: Convert to fraction form
    1,226,645.22/1,692,732.71 = 682,767.05/x
  3. Step 3: Cross multiply
    1,226,645.22x = 1,692,732.71 × 682,767.05
  4. Step 4: Simplify right side
    1,226,645.22x = 1,155,742,106,967.71
  5. Step 5: Solve for x
    x = 1,155,742,106,967.71/1,226,645.22
  6. Step 6: Final answer
    x = 942,197.54

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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.