Home / 1,420,431.94-1,960,184.43-775,852.54

Finding the Fourth Proportional to 1,420,431.94, 1,960,184.43 and 775,852.54

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Solution

The fourth proportional to 1,420,431.94, 1,960,184.43 and 775,852.54 is: 1,070,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,431.94 : 1,960,184.43 = 775,852.54 : x
  2. Step 2: Convert to fraction form
    1,420,431.94/1,960,184.43 = 775,852.54/x
  3. Step 3: Cross multiply
    1,420,431.94x = 1,960,184.43 × 775,852.54
  4. Step 4: Simplify right side
    1,420,431.94x = 1,520,814,068,883.95
  5. Step 5: Solve for x
    x = 1,520,814,068,883.95/1,420,431.94
  6. Step 6: Final answer
    x = 1,070,670.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.