Home / 1,405,313.91-2,107,975.86-340,356.69

Finding the Fourth Proportional to 1,405,313.91, 2,107,975.86 and 340,356.69

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Solution

The fourth proportional to 1,405,313.91, 2,107,975.86 and 340,356.69 is: 510,536.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,313.91 : 2,107,975.86 = 340,356.69 : x
  2. Step 2: Convert to fraction form
    1,405,313.91/2,107,975.86 = 340,356.69/x
  3. Step 3: Cross multiply
    1,405,313.91x = 2,107,975.86 × 340,356.69
  4. Step 4: Simplify right side
    1,405,313.91x = 717,463,686,309.50
  5. Step 5: Solve for x
    x = 717,463,686,309.50/1,405,313.91
  6. Step 6: Final answer
    x = 510,536.24

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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.