Home / 1,640,581.90-2,263,664.88-942,727.88

Finding the Fourth Proportional to 1,640,581.90, 2,263,664.88 and 942,727.88

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Solution

The fourth proportional to 1,640,581.90, 2,263,664.88 and 942,727.88 is: 1,300,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,581.90 : 2,263,664.88 = 942,727.88 : x
  2. Step 2: Convert to fraction form
    1,640,581.90/2,263,664.88 = 942,727.88/x
  3. Step 3: Cross multiply
    1,640,581.90x = 2,263,664.88 × 942,727.88
  4. Step 4: Simplify right side
    1,640,581.90x = 2,134,019,999,012.02
  5. Step 5: Solve for x
    x = 2,134,019,999,012.02/1,640,581.90
  6. Step 6: Final answer
    x = 1,300,770.17

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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.