Home / 1,244,859.40-1,863,141.90-1,095,560.20

Finding the Fourth Proportional to 1,244,859.40, 1,863,141.90 and 1,095,560.20

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Solution

The fourth proportional to 1,244,859.40, 1,863,141.90 and 1,095,560.20 is: 1,639,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,859.40 : 1,863,141.90 = 1,095,560.20 : x
  2. Step 2: Convert to fraction form
    1,244,859.40/1,863,141.90 = 1,095,560.20/x
  3. Step 3: Cross multiply
    1,244,859.40x = 1,863,141.90 × 1,095,560.20
  4. Step 4: Simplify right side
    1,244,859.40x = 2,041,184,112,592.38
  5. Step 5: Solve for x
    x = 2,041,184,112,592.38/1,244,859.40
  6. Step 6: Final answer
    x = 1,639,690.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.