Home / 1,405,799.40-2,108,699.10-1,336,986.60

Finding the Fourth Proportional to 1,405,799.40, 2,108,699.10 and 1,336,986.60

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Solution

The fourth proportional to 1,405,799.40, 2,108,699.10 and 1,336,986.60 is: 2,005,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,799.40 : 2,108,699.10 = 1,336,986.60 : x
  2. Step 2: Convert to fraction form
    1,405,799.40/2,108,699.10 = 1,336,986.60/x
  3. Step 3: Cross multiply
    1,405,799.40x = 2,108,699.10 × 1,336,986.60
  4. Step 4: Simplify right side
    1,405,799.40x = 2,819,302,440,132.06
  5. Step 5: Solve for x
    x = 2,819,302,440,132.06/1,405,799.40
  6. Step 6: Final answer
    x = 2,005,479.90

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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.