Home / 972,649.26-1,342,369.83-809,017.08

Finding the Fourth Proportional to 972,649.26, 1,342,369.83 and 809,017.08

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Solution

The fourth proportional to 972,649.26, 1,342,369.83 and 809,017.08 is: 1,116,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,649.26 : 1,342,369.83 = 809,017.08 : x
  2. Step 2: Convert to fraction form
    972,649.26/1,342,369.83 = 809,017.08/x
  3. Step 3: Cross multiply
    972,649.26x = 1,342,369.83 × 809,017.08
  4. Step 4: Simplify right side
    972,649.26x = 1,086,000,120,146.70
  5. Step 5: Solve for x
    x = 1,086,000,120,146.70/972,649.26
  6. Step 6: Final answer
    x = 1,116,538.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.