Home / 1,453,789.35-2,180,683.50-388,803.75

Finding the Fourth Proportional to 1,453,789.35, 2,180,683.50 and 388,803.75

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Solution

The fourth proportional to 1,453,789.35, 2,180,683.50 and 388,803.75 is: 583,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,789.35 : 2,180,683.50 = 388,803.75 : x
  2. Step 2: Convert to fraction form
    1,453,789.35/2,180,683.50 = 388,803.75/x
  3. Step 3: Cross multiply
    1,453,789.35x = 2,180,683.50 × 388,803.75
  4. Step 4: Simplify right side
    1,453,789.35x = 847,857,922,363.13
  5. Step 5: Solve for x
    x = 847,857,922,363.13/1,453,789.35
  6. Step 6: Final answer
    x = 583,205.48

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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.