Home / 1,405,107.39-2,107,666.49-340,147.74

Finding the Fourth Proportional to 1,405,107.39, 2,107,666.49 and 340,147.74

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Solution

The fourth proportional to 1,405,107.39, 2,107,666.49 and 340,147.74 is: 510,222.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,107.39 : 2,107,666.49 = 340,147.74 : x
  2. Step 2: Convert to fraction form
    1,405,107.39/2,107,666.49 = 340,147.74/x
  3. Step 3: Cross multiply
    1,405,107.39x = 2,107,666.49 × 340,147.74
  4. Step 4: Simplify right side
    1,405,107.39x = 716,917,991,546.49
  5. Step 5: Solve for x
    x = 716,917,991,546.49/1,405,107.39
  6. Step 6: Final answer
    x = 510,222.92

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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.