Home / 1,003,871.20-1,505,826.20-245,719.30

Finding the Fourth Proportional to 1,003,871.20, 1,505,826.20 and 245,719.30

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Solution

The fourth proportional to 1,003,871.20, 1,505,826.20 and 245,719.30 is: 368,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,871.20 : 1,505,826.20 = 245,719.30 : x
  2. Step 2: Convert to fraction form
    1,003,871.20/1,505,826.20 = 245,719.30/x
  3. Step 3: Cross multiply
    1,003,871.20x = 1,505,826.20 × 245,719.30
  4. Step 4: Simplify right side
    1,003,871.20x = 370,010,559,785.66
  5. Step 5: Solve for x
    x = 370,010,559,785.66/1,003,871.20
  6. Step 6: Final answer
    x = 368,583.70

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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.