Home / 1,040,434.80-1,558,027.80-830,482.80

Finding the Fourth Proportional to 1,040,434.80, 1,558,027.80 and 830,482.80

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Solution

The fourth proportional to 1,040,434.80, 1,558,027.80 and 830,482.80 is: 1,243,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,434.80 : 1,558,027.80 = 830,482.80 : x
  2. Step 2: Convert to fraction form
    1,040,434.80/1,558,027.80 = 830,482.80/x
  3. Step 3: Cross multiply
    1,040,434.80x = 1,558,027.80 × 830,482.80
  4. Step 4: Simplify right side
    1,040,434.80x = 1,293,915,289,821.84
  5. Step 5: Solve for x
    x = 1,293,915,289,821.84/1,040,434.80
  6. Step 6: Final answer
    x = 1,243,629.38

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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.