Home / 1,213,883.20-1,822,793.10-879,272.20

Finding the Fourth Proportional to 1,213,883.20, 1,822,793.10 and 879,272.20

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Solution

The fourth proportional to 1,213,883.20, 1,822,793.10 and 879,272.20 is: 1,320,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,883.20 : 1,822,793.10 = 879,272.20 : x
  2. Step 2: Convert to fraction form
    1,213,883.20/1,822,793.10 = 879,272.20/x
  3. Step 3: Cross multiply
    1,213,883.20x = 1,822,793.10 × 879,272.20
  4. Step 4: Simplify right side
    1,213,883.20x = 1,602,731,299,181.82
  5. Step 5: Solve for x
    x = 1,602,731,299,181.82/1,213,883.20
  6. Step 6: Final answer
    x = 1,320,334.03

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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.