Home / 1,003,867.19-1,505,820.21-245,715.29

Finding the Fourth Proportional to 1,003,867.19, 1,505,820.21 and 245,715.29

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Solution

The fourth proportional to 1,003,867.19, 1,505,820.21 and 245,715.29 is: 368,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,867.19 : 1,505,820.21 = 245,715.29 : x
  2. Step 2: Convert to fraction form
    1,003,867.19/1,505,820.21 = 245,715.29/x
  3. Step 3: Cross multiply
    1,003,867.19x = 1,505,820.21 × 245,715.29
  4. Step 4: Simplify right side
    1,003,867.19x = 370,003,048,359.44
  5. Step 5: Solve for x
    x = 370,003,048,359.44/1,003,867.19
  6. Step 6: Final answer
    x = 368,577.69

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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.