Home / 1,752,759.80-2,629,139.72-423,063.80

Finding the Fourth Proportional to 1,752,759.80, 2,629,139.72 and 423,063.80

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Solution

The fourth proportional to 1,752,759.80, 2,629,139.72 and 423,063.80 is: 634,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,759.80 : 2,629,139.72 = 423,063.80 : x
  2. Step 2: Convert to fraction form
    1,752,759.80/2,629,139.72 = 423,063.80/x
  3. Step 3: Cross multiply
    1,752,759.80x = 2,629,139.72 × 423,063.80
  4. Step 4: Simplify right side
    1,752,759.80x = 1,112,293,840,674.14
  5. Step 5: Solve for x
    x = 1,112,293,840,674.14/1,752,759.80
  6. Step 6: Final answer
    x = 634,595.70

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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.