Home / 1,040,513.80-1,560,770.70-788,571.40

Finding the Fourth Proportional to 1,040,513.80, 1,560,770.70 and 788,571.40

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Solution

The fourth proportional to 1,040,513.80, 1,560,770.70 and 788,571.40 is: 1,182,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,513.80 : 1,560,770.70 = 788,571.40 : x
  2. Step 2: Convert to fraction form
    1,040,513.80/1,560,770.70 = 788,571.40/x
  3. Step 3: Cross multiply
    1,040,513.80x = 1,560,770.70 × 788,571.40
  4. Step 4: Simplify right side
    1,040,513.80x = 1,230,779,135,977.98
  5. Step 5: Solve for x
    x = 1,230,779,135,977.98/1,040,513.80
  6. Step 6: Final answer
    x = 1,182,857.10

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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.