Home / 1,571,738.50-2,168,999.13-856,346.50

Finding the Fourth Proportional to 1,571,738.50, 2,168,999.13 and 856,346.50

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Solution

The fourth proportional to 1,571,738.50, 2,168,999.13 and 856,346.50 is: 1,181,758.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,738.50 : 2,168,999.13 = 856,346.50 : x
  2. Step 2: Convert to fraction form
    1,571,738.50/2,168,999.13 = 856,346.50/x
  3. Step 3: Cross multiply
    1,571,738.50x = 2,168,999.13 × 856,346.50
  4. Step 4: Simplify right side
    1,571,738.50x = 1,857,414,813,478.55
  5. Step 5: Solve for x
    x = 1,857,414,813,478.55/1,571,738.50
  6. Step 6: Final answer
    x = 1,181,758.17

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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.