Home / 1,274,858.21-1,911,841.60-376,061.28

Finding the Fourth Proportional to 1,274,858.21, 1,911,841.60 and 376,061.28

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Solution

The fourth proportional to 1,274,858.21, 1,911,841.60 and 376,061.28 is: 563,960.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,858.21 : 1,911,841.60 = 376,061.28 : x
  2. Step 2: Convert to fraction form
    1,274,858.21/1,911,841.60 = 376,061.28/x
  3. Step 3: Cross multiply
    1,274,858.21x = 1,911,841.60 × 376,061.28
  4. Step 4: Simplify right side
    1,274,858.21x = 718,969,599,253.25
  5. Step 5: Solve for x
    x = 718,969,599,253.25/1,274,858.21
  6. Step 6: Final answer
    x = 563,960.44

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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.