Home / 1,300,431.60-1,950,163.52-447,263.76

Finding the Fourth Proportional to 1,300,431.60, 1,950,163.52 and 447,263.76

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Solution

The fourth proportional to 1,300,431.60, 1,950,163.52 and 447,263.76 is: 670,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,431.60 : 1,950,163.52 = 447,263.76 : x
  2. Step 2: Convert to fraction form
    1,300,431.60/1,950,163.52 = 447,263.76/x
  3. Step 3: Cross multiply
    1,300,431.60x = 1,950,163.52 × 447,263.76
  4. Step 4: Simplify right side
    1,300,431.60x = 872,237,468,570.04
  5. Step 5: Solve for x
    x = 872,237,468,570.04/1,300,431.60
  6. Step 6: Final answer
    x = 670,729.22

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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.