Home / 1,119,322.70-1,678,984.05-946,112.30

Finding the Fourth Proportional to 1,119,322.70, 1,678,984.05 and 946,112.30

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Solution

The fourth proportional to 1,119,322.70, 1,678,984.05 and 946,112.30 is: 1,419,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,322.70 : 1,678,984.05 = 946,112.30 : x
  2. Step 2: Convert to fraction form
    1,119,322.70/1,678,984.05 = 946,112.30/x
  3. Step 3: Cross multiply
    1,119,322.70x = 1,678,984.05 × 946,112.30
  4. Step 4: Simplify right side
    1,119,322.70x = 1,588,507,461,208.82
  5. Step 5: Solve for x
    x = 1,588,507,461,208.82/1,119,322.70
  6. Step 6: Final answer
    x = 1,419,168.45

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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.