Home / 1,300,436.60-1,950,171.02-447,268.76

Finding the Fourth Proportional to 1,300,436.60, 1,950,171.02 and 447,268.76

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Solution

The fourth proportional to 1,300,436.60, 1,950,171.02 and 447,268.76 is: 670,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,436.60 : 1,950,171.02 = 447,268.76 : x
  2. Step 2: Convert to fraction form
    1,300,436.60/1,950,171.02 = 447,268.76/x
  3. Step 3: Cross multiply
    1,300,436.60x = 1,950,171.02 × 447,268.76
  4. Step 4: Simplify right side
    1,300,436.60x = 872,250,573,903.34
  5. Step 5: Solve for x
    x = 872,250,573,903.34/1,300,436.60
  6. Step 6: Final answer
    x = 670,736.72

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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.