Home / 1,405,327.43-1,939,365.21-824,560.43

Finding the Fourth Proportional to 1,405,327.43, 1,939,365.21 and 824,560.43

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Solution

The fourth proportional to 1,405,327.43, 1,939,365.21 and 824,560.43 is: 1,137,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,327.43 : 1,939,365.21 = 824,560.43 : x
  2. Step 2: Convert to fraction form
    1,405,327.43/1,939,365.21 = 824,560.43/x
  3. Step 3: Cross multiply
    1,405,327.43x = 1,939,365.21 × 824,560.43
  4. Step 4: Simplify right side
    1,405,327.43x = 1,599,123,801,787.81
  5. Step 5: Solve for x
    x = 1,599,123,801,787.81/1,405,327.43
  6. Step 6: Final answer
    x = 1,137,901.23

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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.