Home / 1,453,634.61-2,180,280.20-388,759.20

Finding the Fourth Proportional to 1,453,634.61, 2,180,280.20 and 388,759.20

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Solution

The fourth proportional to 1,453,634.61, 2,180,280.20 and 388,759.20 is: 583,092.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,634.61 : 2,180,280.20 = 388,759.20 : x
  2. Step 2: Convert to fraction form
    1,453,634.61/2,180,280.20 = 388,759.20/x
  3. Step 3: Cross multiply
    1,453,634.61x = 2,180,280.20 × 388,759.20
  4. Step 4: Simplify right side
    1,453,634.61x = 847,603,984,384.04
  5. Step 5: Solve for x
    x = 847,603,984,384.04/1,453,634.61
  6. Step 6: Final answer
    x = 583,092.88

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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.