Home / 863,674.25-1,191,253.43-748,747.40

Finding the Fourth Proportional to 863,674.25, 1,191,253.43 and 748,747.40

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Solution

The fourth proportional to 863,674.25, 1,191,253.43 and 748,747.40 is: 1,032,736.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,674.25 : 1,191,253.43 = 748,747.40 : x
  2. Step 2: Convert to fraction form
    863,674.25/1,191,253.43 = 748,747.40/x
  3. Step 3: Cross multiply
    863,674.25x = 1,191,253.43 × 748,747.40
  4. Step 4: Simplify right side
    863,674.25x = 891,947,904,369.18
  5. Step 5: Solve for x
    x = 891,947,904,369.18/863,674.25
  6. Step 6: Final answer
    x = 1,032,736.49

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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.