Home / 1,119,022.80-1,678,796.64-445,142.49

Finding the Fourth Proportional to 1,119,022.80, 1,678,796.64 and 445,142.49

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Solution

The fourth proportional to 1,119,022.80, 1,678,796.64 and 445,142.49 is: 667,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,022.80 : 1,678,796.64 = 445,142.49 : x
  2. Step 2: Convert to fraction form
    1,119,022.80/1,678,796.64 = 445,142.49/x
  3. Step 3: Cross multiply
    1,119,022.80x = 1,678,796.64 × 445,142.49
  4. Step 4: Simplify right side
    1,119,022.80x = 747,303,716,533.23
  5. Step 5: Solve for x
    x = 747,303,716,533.23/1,119,022.80
  6. Step 6: Final answer
    x = 667,818.13

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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.