Home / 1,458,003.60-2,187,005.40-511,251.30

Finding the Fourth Proportional to 1,458,003.60, 2,187,005.40 and 511,251.30

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Solution

The fourth proportional to 1,458,003.60, 2,187,005.40 and 511,251.30 is: 766,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,003.60 : 2,187,005.40 = 511,251.30 : x
  2. Step 2: Convert to fraction form
    1,458,003.60/2,187,005.40 = 511,251.30/x
  3. Step 3: Cross multiply
    1,458,003.60x = 2,187,005.40 × 511,251.30
  4. Step 4: Simplify right side
    1,458,003.60x = 1,118,109,353,857.02
  5. Step 5: Solve for x
    x = 1,118,109,353,857.02/1,458,003.60
  6. Step 6: Final answer
    x = 766,876.95

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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.