Home / 1,421,878.80-1,951,748.08-1,257,124.80

Finding the Fourth Proportional to 1,421,878.80, 1,951,748.08 and 1,257,124.80

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Solution

The fourth proportional to 1,421,878.80, 1,951,748.08 and 1,257,124.80 is: 1,725,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,878.80 : 1,951,748.08 = 1,257,124.80 : x
  2. Step 2: Convert to fraction form
    1,421,878.80/1,951,748.08 = 1,257,124.80/x
  3. Step 3: Cross multiply
    1,421,878.80x = 1,951,748.08 × 1,257,124.80
  4. Step 4: Simplify right side
    1,421,878.80x = 2,453,590,914,720.38
  5. Step 5: Solve for x
    x = 2,453,590,914,720.38/1,421,878.80
  6. Step 6: Final answer
    x = 1,725,597.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.