Home / 1,405,354.75-2,108,090.45-408,082.75

Finding the Fourth Proportional to 1,405,354.75, 2,108,090.45 and 408,082.75

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Solution

The fourth proportional to 1,405,354.75, 2,108,090.45 and 408,082.75 is: 612,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,354.75 : 2,108,090.45 = 408,082.75 : x
  2. Step 2: Convert to fraction form
    1,405,354.75/2,108,090.45 = 408,082.75/x
  3. Step 3: Cross multiply
    1,405,354.75x = 2,108,090.45 × 408,082.75
  4. Step 4: Simplify right side
    1,405,354.75x = 860,275,348,084.74
  5. Step 5: Solve for x
    x = 860,275,348,084.74/1,405,354.75
  6. Step 6: Final answer
    x = 612,141.06

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1.5x scale

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.