Home / 1,478,361.71-2,040,135.33-824,980.88

Finding the Fourth Proportional to 1,478,361.71, 2,040,135.33 and 824,980.88

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Solution

The fourth proportional to 1,478,361.71, 2,040,135.33 and 824,980.88 is: 1,138,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,361.71 : 2,040,135.33 = 824,980.88 : x
  2. Step 2: Convert to fraction form
    1,478,361.71/2,040,135.33 = 824,980.88/x
  3. Step 3: Cross multiply
    1,478,361.71x = 2,040,135.33 × 824,980.88
  4. Step 4: Simplify right side
    1,478,361.71x = 1,683,072,629,661.81
  5. Step 5: Solve for x
    x = 1,683,072,629,661.81/1,478,361.71
  6. Step 6: Final answer
    x = 1,138,471.47

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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.