Home / 1,443,153.84-2,164,858.20-378,191.76

Finding the Fourth Proportional to 1,443,153.84, 2,164,858.20 and 378,191.76

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Solution

The fourth proportional to 1,443,153.84, 2,164,858.20 and 378,191.76 is: 567,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,153.84 : 2,164,858.20 = 378,191.76 : x
  2. Step 2: Convert to fraction form
    1,443,153.84/2,164,858.20 = 378,191.76/x
  3. Step 3: Cross multiply
    1,443,153.84x = 2,164,858.20 × 378,191.76
  4. Step 4: Simplify right side
    1,443,153.84x = 818,731,532,808.43
  5. Step 5: Solve for x
    x = 818,731,532,808.43/1,443,153.84
  6. Step 6: Final answer
    x = 567,321.04

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1.5x scale

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.