Home / 1,252,489.77-1,878,857.64-353,938.41

Finding the Fourth Proportional to 1,252,489.77, 1,878,857.64 and 353,938.41

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Solution

The fourth proportional to 1,252,489.77, 1,878,857.64 and 353,938.41 is: 530,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,489.77 : 1,878,857.64 = 353,938.41 : x
  2. Step 2: Convert to fraction form
    1,252,489.77/1,878,857.64 = 353,938.41/x
  3. Step 3: Cross multiply
    1,252,489.77x = 1,878,857.64 × 353,938.41
  4. Step 4: Simplify right side
    1,252,489.77x = 664,999,885,717.95
  5. Step 5: Solve for x
    x = 664,999,885,717.95/1,252,489.77
  6. Step 6: Final answer
    x = 530,942.37

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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.