Home / 1,214,409.80-1,821,614.70-373,003.40

Finding the Fourth Proportional to 1,214,409.80, 1,821,614.70 and 373,003.40

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Solution

The fourth proportional to 1,214,409.80, 1,821,614.70 and 373,003.40 is: 559,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,409.80 : 1,821,614.70 = 373,003.40 : x
  2. Step 2: Convert to fraction form
    1,214,409.80/1,821,614.70 = 373,003.40/x
  3. Step 3: Cross multiply
    1,214,409.80x = 1,821,614.70 × 373,003.40
  4. Step 4: Simplify right side
    1,214,409.80x = 679,468,476,589.98
  5. Step 5: Solve for x
    x = 679,468,476,589.98/1,214,409.80
  6. Step 6: Final answer
    x = 559,505.10

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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.