Home / 972,648.26-1,342,368.45-809,016.08

Finding the Fourth Proportional to 972,648.26, 1,342,368.45 and 809,016.08

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Solution

The fourth proportional to 972,648.26, 1,342,368.45 and 809,016.08 is: 1,116,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,648.26 : 1,342,368.45 = 809,016.08 : x
  2. Step 2: Convert to fraction form
    972,648.26/1,342,368.45 = 809,016.08/x
  3. Step 3: Cross multiply
    972,648.26x = 1,342,368.45 × 809,016.08
  4. Step 4: Simplify right side
    972,648.26x = 1,085,997,654,622.83
  5. Step 5: Solve for x
    x = 1,085,997,654,622.83/972,648.26
  6. Step 6: Final answer
    x = 1,116,536.88

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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.