Home / 1,458,051.10-2,187,076.65-820,321.90

Finding the Fourth Proportional to 1,458,051.10, 2,187,076.65 and 820,321.90

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Solution

The fourth proportional to 1,458,051.10, 2,187,076.65 and 820,321.90 is: 1,230,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,051.10 : 2,187,076.65 = 820,321.90 : x
  2. Step 2: Convert to fraction form
    1,458,051.10/2,187,076.65 = 820,321.90/x
  3. Step 3: Cross multiply
    1,458,051.10x = 2,187,076.65 × 820,321.90
  4. Step 4: Simplify right side
    1,458,051.10x = 1,794,106,872,973.64
  5. Step 5: Solve for x
    x = 1,794,106,872,973.64/1,458,051.10
  6. Step 6: Final answer
    x = 1,230,482.85

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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.