Home / 1,040,519.80-1,560,779.70-788,577.40

Finding the Fourth Proportional to 1,040,519.80, 1,560,779.70 and 788,577.40

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Solution

The fourth proportional to 1,040,519.80, 1,560,779.70 and 788,577.40 is: 1,182,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,519.80 : 1,560,779.70 = 788,577.40 : x
  2. Step 2: Convert to fraction form
    1,040,519.80/1,560,779.70 = 788,577.40/x
  3. Step 3: Cross multiply
    1,040,519.80x = 1,560,779.70 × 788,577.40
  4. Step 4: Simplify right side
    1,040,519.80x = 1,230,795,597,798.78
  5. Step 5: Solve for x
    x = 1,230,795,597,798.78/1,040,519.80
  6. Step 6: Final answer
    x = 1,182,866.10

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1.5x scale

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.