Home / 1,253,977.39-1,731,206.13-825,503.08

Finding the Fourth Proportional to 1,253,977.39, 1,731,206.13 and 825,503.08

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Solution

The fourth proportional to 1,253,977.39, 1,731,206.13 and 825,503.08 is: 1,139,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,977.39 : 1,731,206.13 = 825,503.08 : x
  2. Step 2: Convert to fraction form
    1,253,977.39/1,731,206.13 = 825,503.08/x
  3. Step 3: Cross multiply
    1,253,977.39x = 1,731,206.13 × 825,503.08
  4. Step 4: Simplify right side
    1,253,977.39x = 1,429,115,992,429.88
  5. Step 5: Solve for x
    x = 1,429,115,992,429.88/1,253,977.39
  6. Step 6: Final answer
    x = 1,139,666.48

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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.