Home / 1,131,594.89-1,561,482.84-648,180.41

Finding the Fourth Proportional to 1,131,594.89, 1,561,482.84 and 648,180.41

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Solution

The fourth proportional to 1,131,594.89, 1,561,482.84 and 648,180.41 is: 894,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,594.89 : 1,561,482.84 = 648,180.41 : x
  2. Step 2: Convert to fraction form
    1,131,594.89/1,561,482.84 = 648,180.41/x
  3. Step 3: Cross multiply
    1,131,594.89x = 1,561,482.84 × 648,180.41
  4. Step 4: Simplify right side
    1,131,594.89x = 1,012,122,579,631.75
  5. Step 5: Solve for x
    x = 1,012,122,579,631.75/1,131,594.89
  6. Step 6: Final answer
    x = 894,421.31

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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.