Home / 1,669,651.80-2,505,673.46-710,779.66

Finding the Fourth Proportional to 1,669,651.80, 2,505,673.46 and 710,779.66

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Solution

The fourth proportional to 1,669,651.80, 2,505,673.46 and 710,779.66 is: 1,066,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,651.80 : 2,505,673.46 = 710,779.66 : x
  2. Step 2: Convert to fraction form
    1,669,651.80/2,505,673.46 = 710,779.66/x
  3. Step 3: Cross multiply
    1,669,651.80x = 2,505,673.46 × 710,779.66
  4. Step 4: Simplify right side
    1,669,651.80x = 1,780,981,729,969.82
  5. Step 5: Solve for x
    x = 1,780,981,729,969.82/1,669,651.80
  6. Step 6: Final answer
    x = 1,066,678.53

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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.