Home / 1,389,847.32-1,916,998.92-846,017.82

Finding the Fourth Proportional to 1,389,847.32, 1,916,998.92 and 846,017.82

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Solution

The fourth proportional to 1,389,847.32, 1,916,998.92 and 846,017.82 is: 1,166,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,847.32 : 1,916,998.92 = 846,017.82 : x
  2. Step 2: Convert to fraction form
    1,389,847.32/1,916,998.92 = 846,017.82/x
  3. Step 3: Cross multiply
    1,389,847.32x = 1,916,998.92 × 846,017.82
  4. Step 4: Simplify right side
    1,389,847.32x = 1,621,815,247,240.75
  5. Step 5: Solve for x
    x = 1,621,815,247,240.75/1,389,847.32
  6. Step 6: Final answer
    x = 1,166,901.73

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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.