Home / 1,252,272.88-1,878,715.04-399,344.54

Finding the Fourth Proportional to 1,252,272.88, 1,878,715.04 and 399,344.54

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Solution

The fourth proportional to 1,252,272.88, 1,878,715.04 and 399,344.54 is: 599,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,272.88 : 1,878,715.04 = 399,344.54 : x
  2. Step 2: Convert to fraction form
    1,252,272.88/1,878,715.04 = 399,344.54/x
  3. Step 3: Cross multiply
    1,252,272.88x = 1,878,715.04 × 399,344.54
  4. Step 4: Simplify right side
    1,252,272.88x = 750,254,593,439.88
  5. Step 5: Solve for x
    x = 750,254,593,439.88/1,252,272.88
  6. Step 6: Final answer
    x = 599,114.30

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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.