Home / 1,472,419.89-2,208,679.25-407,372.76

Finding the Fourth Proportional to 1,472,419.89, 2,208,679.25 and 407,372.76

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Solution

The fourth proportional to 1,472,419.89, 2,208,679.25 and 407,372.76 is: 611,072.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,419.89 : 2,208,679.25 = 407,372.76 : x
  2. Step 2: Convert to fraction form
    1,472,419.89/2,208,679.25 = 407,372.76/x
  3. Step 3: Cross multiply
    1,472,419.89x = 2,208,679.25 × 407,372.76
  4. Step 4: Simplify right side
    1,472,419.89x = 899,755,759,990.37
  5. Step 5: Solve for x
    x = 899,755,759,990.37/1,472,419.89
  6. Step 6: Final answer
    x = 611,072.81

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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.