Home / 1,212,327.55-1,818,425.40-370,879.30

Finding the Fourth Proportional to 1,212,327.55, 1,818,425.40 and 370,879.30

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Solution

The fourth proportional to 1,212,327.55, 1,818,425.40 and 370,879.30 is: 556,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,327.55 : 1,818,425.40 = 370,879.30 : x
  2. Step 2: Convert to fraction form
    1,212,327.55/1,818,425.40 = 370,879.30/x
  3. Step 3: Cross multiply
    1,212,327.55x = 1,818,425.40 × 370,879.30
  4. Step 4: Simplify right side
    1,212,327.55x = 674,416,339,454.22
  5. Step 5: Solve for x
    x = 674,416,339,454.22/1,212,327.55
  6. Step 6: Final answer
    x = 556,298.78

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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.