Home / 1,628,131.35-2,442,313.68-430,041.72

Finding the Fourth Proportional to 1,628,131.35, 2,442,313.68 and 430,041.72

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Solution

The fourth proportional to 1,628,131.35, 2,442,313.68 and 430,041.72 is: 645,093.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,131.35 : 2,442,313.68 = 430,041.72 : x
  2. Step 2: Convert to fraction form
    1,628,131.35/2,442,313.68 = 430,041.72/x
  3. Step 3: Cross multiply
    1,628,131.35x = 2,442,313.68 × 430,041.72
  4. Step 4: Simplify right side
    1,628,131.35x = 1,050,296,775,726.73
  5. Step 5: Solve for x
    x = 1,050,296,775,726.73/1,628,131.35
  6. Step 6: Final answer
    x = 645,093.39

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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.