Home / 1,405,716.12-2,108,555.46-340,767.72

Finding the Fourth Proportional to 1,405,716.12, 2,108,555.46 and 340,767.72

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Solution

The fourth proportional to 1,405,716.12, 2,108,555.46 and 340,767.72 is: 511,147.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,716.12 : 2,108,555.46 = 340,767.72 : x
  2. Step 2: Convert to fraction form
    1,405,716.12/2,108,555.46 = 340,767.72/x
  3. Step 3: Cross multiply
    1,405,716.12x = 2,108,555.46 × 340,767.72
  4. Step 4: Simplify right side
    1,405,716.12x = 718,527,636,597.75
  5. Step 5: Solve for x
    x = 718,527,636,597.75/1,405,716.12
  6. Step 6: Final answer
    x = 511,147.04

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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.