Home / 1,373,998.30-1,896,148.04-762,131.12

Finding the Fourth Proportional to 1,373,998.30, 1,896,148.04 and 762,131.12

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Solution

The fourth proportional to 1,373,998.30, 1,896,148.04 and 762,131.12 is: 1,051,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,998.30 : 1,896,148.04 = 762,131.12 : x
  2. Step 2: Convert to fraction form
    1,373,998.30/1,896,148.04 = 762,131.12/x
  3. Step 3: Cross multiply
    1,373,998.30x = 1,896,148.04 × 762,131.12
  4. Step 4: Simplify right side
    1,373,998.30x = 1,445,113,429,411.01
  5. Step 5: Solve for x
    x = 1,445,113,429,411.01/1,373,998.30
  6. Step 6: Final answer
    x = 1,051,757.80

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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.