Home / 1,213,853.10-1,821,022.65-360,923.10

Finding the Fourth Proportional to 1,213,853.10, 1,821,022.65 and 360,923.10

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Solution

The fourth proportional to 1,213,853.10, 1,821,022.65 and 360,923.10 is: 541,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,853.10 : 1,821,022.65 = 360,923.10 : x
  2. Step 2: Convert to fraction form
    1,213,853.10/1,821,022.65 = 360,923.10/x
  3. Step 3: Cross multiply
    1,213,853.10x = 1,821,022.65 × 360,923.10
  4. Step 4: Simplify right side
    1,213,853.10x = 657,249,140,008.22
  5. Step 5: Solve for x
    x = 657,249,140,008.22/1,213,853.10
  6. Step 6: Final answer
    x = 541,456.90

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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.