Home / 1,205,108.84-1,807,655.42-306,542.90

Finding the Fourth Proportional to 1,205,108.84, 1,807,655.42 and 306,542.90

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Solution

The fourth proportional to 1,205,108.84, 1,807,655.42 and 306,542.90 is: 459,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,108.84 : 1,807,655.42 = 306,542.90 : x
  2. Step 2: Convert to fraction form
    1,205,108.84/1,807,655.42 = 306,542.90/x
  3. Step 3: Cross multiply
    1,205,108.84x = 1,807,655.42 × 306,542.90
  4. Step 4: Simplify right side
    1,205,108.84x = 554,123,926,375.60
  5. Step 5: Solve for x
    x = 554,123,926,375.60/1,205,108.84
  6. Step 6: Final answer
    x = 459,812.35

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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.