Home / 1,300,625.28-1,950,453.04-447,458.40

Finding the Fourth Proportional to 1,300,625.28, 1,950,453.04 and 447,458.40

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Solution

The fourth proportional to 1,300,625.28, 1,950,453.04 and 447,458.40 is: 671,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,625.28 : 1,950,453.04 = 447,458.40 : x
  2. Step 2: Convert to fraction form
    1,300,625.28/1,950,453.04 = 447,458.40/x
  3. Step 3: Cross multiply
    1,300,625.28x = 1,950,453.04 × 447,458.40
  4. Step 4: Simplify right side
    1,300,625.28x = 872,746,596,553.54
  5. Step 5: Solve for x
    x = 872,746,596,553.54/1,300,625.28
  6. Step 6: Final answer
    x = 671,020.79

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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.