Home / 1,226,642.03-1,692,728.31-682,763.85

Finding the Fourth Proportional to 1,226,642.03, 1,692,728.31 and 682,763.85

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Solution

The fourth proportional to 1,226,642.03, 1,692,728.31 and 682,763.85 is: 942,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,642.03 : 1,692,728.31 = 682,763.85 : x
  2. Step 2: Convert to fraction form
    1,226,642.03/1,692,728.31 = 682,763.85/x
  3. Step 3: Cross multiply
    1,226,642.03x = 1,692,728.31 × 682,763.85
  4. Step 4: Simplify right side
    1,226,642.03x = 1,155,733,700,499.96
  5. Step 5: Solve for x
    x = 1,155,733,700,499.96/1,226,642.03
  6. Step 6: Final answer
    x = 942,193.14

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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.