Home / 1,204,139.52-1,804,944.90-405,143.67

Finding the Fourth Proportional to 1,204,139.52, 1,804,944.90 and 405,143.67

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Solution

The fourth proportional to 1,204,139.52, 1,804,944.90 and 405,143.67 is: 607,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,139.52 : 1,804,944.90 = 405,143.67 : x
  2. Step 2: Convert to fraction form
    1,204,139.52/1,804,944.90 = 405,143.67/x
  3. Step 3: Cross multiply
    1,204,139.52x = 1,804,944.90 × 405,143.67
  4. Step 4: Simplify right side
    1,204,139.52x = 731,262,000,933.78
  5. Step 5: Solve for x
    x = 731,262,000,933.78/1,204,139.52
  6. Step 6: Final answer
    x = 607,290.10

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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.