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Finding the Fourth Proportional to 984,761.78, 1,359,362.63 and 846,392.92

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Solution

The fourth proportional to 984,761.78, 1,359,362.63 and 846,392.92 is: 1,168,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,761.78 : 1,359,362.63 = 846,392.92 : x
  2. Step 2: Convert to fraction form
    984,761.78/1,359,362.63 = 846,392.92/x
  3. Step 3: Cross multiply
    984,761.78x = 1,359,362.63 × 846,392.92
  4. Step 4: Simplify right side
    984,761.78x = 1,150,554,904,462.16
  5. Step 5: Solve for x
    x = 1,150,554,904,462.16/984,761.78
  6. Step 6: Final answer
    x = 1,168,358.62

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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.