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Finding the Fourth Proportional to 1,263,654, 1,895,481 and 377,190

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Solution

The fourth proportional to 1,263,654, 1,895,481 and 377,190 is: 565,785

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,654 : 1,895,481 = 377,190 : x
  2. Step 2: Convert to fraction form
    1,263,654/1,895,481 = 377,190/x
  3. Step 3: Cross multiply
    1,263,654x = 1,895,481 × 377,190
  4. Step 4: Simplify right side
    1,263,654x = 714,956,478,390
  5. Step 5: Solve for x
    x = 714,956,478,390/1,263,654
  6. Step 6: Final answer
    x = 565,785

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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.