Home / 1,226,511.48-1,692,568.89-682,647.45

Finding the Fourth Proportional to 1,226,511.48, 1,692,568.89 and 682,647.45

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Solution

The fourth proportional to 1,226,511.48, 1,692,568.89 and 682,647.45 is: 942,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,511.48 : 1,692,568.89 = 682,647.45 : x
  2. Step 2: Convert to fraction form
    1,226,511.48/1,692,568.89 = 682,647.45/x
  3. Step 3: Cross multiply
    1,226,511.48x = 1,692,568.89 × 682,647.45
  4. Step 4: Simplify right side
    1,226,511.48x = 1,155,427,836,707.83
  5. Step 5: Solve for x
    x = 1,155,427,836,707.83/1,226,511.48
  6. Step 6: Final answer
    x = 942,044.05

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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.