Home / 1,117,664.56-1,676,480.46-276,216.28

Finding the Fourth Proportional to 1,117,664.56, 1,676,480.46 and 276,216.28

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Solution

The fourth proportional to 1,117,664.56, 1,676,480.46 and 276,216.28 is: 414,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,664.56 : 1,676,480.46 = 276,216.28 : x
  2. Step 2: Convert to fraction form
    1,117,664.56/1,676,480.46 = 276,216.28/x
  3. Step 3: Cross multiply
    1,117,664.56x = 1,676,480.46 × 276,216.28
  4. Step 4: Simplify right side
    1,117,664.56x = 463,071,196,153.89
  5. Step 5: Solve for x
    x = 463,071,196,153.89/1,117,664.56
  6. Step 6: Final answer
    x = 414,320.37

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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.