Home / 1,275,993.45-1,913,990.18-377,365.25

Finding the Fourth Proportional to 1,275,993.45, 1,913,990.18 and 377,365.25

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Solution

The fourth proportional to 1,275,993.45, 1,913,990.18 and 377,365.25 is: 566,047.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,993.45 : 1,913,990.18 = 377,365.25 : x
  2. Step 2: Convert to fraction form
    1,275,993.45/1,913,990.18 = 377,365.25/x
  3. Step 3: Cross multiply
    1,275,993.45x = 1,913,990.18 × 377,365.25
  4. Step 4: Simplify right side
    1,275,993.45x = 722,273,385,671.39
  5. Step 5: Solve for x
    x = 722,273,385,671.39/1,275,993.45
  6. Step 6: Final answer
    x = 566,047.88

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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.