Home / 1,340,719.22-2,008,386.21-620,050.79

Finding the Fourth Proportional to 1,340,719.22, 2,008,386.21 and 620,050.79

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Solution

The fourth proportional to 1,340,719.22, 2,008,386.21 and 620,050.79 is: 928,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,719.22 : 2,008,386.21 = 620,050.79 : x
  2. Step 2: Convert to fraction form
    1,340,719.22/2,008,386.21 = 620,050.79/x
  3. Step 3: Cross multiply
    1,340,719.22x = 2,008,386.21 × 620,050.79
  4. Step 4: Simplify right side
    1,340,719.22x = 1,245,301,456,135.61
  5. Step 5: Solve for x
    x = 1,245,301,456,135.61/1,340,719.22
  6. Step 6: Final answer
    x = 928,830.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.