Home / 1,258,753.72-1,888,917.92-510,799.72

Finding the Fourth Proportional to 1,258,753.72, 1,888,917.92 and 510,799.72

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Solution

The fourth proportional to 1,258,753.72, 1,888,917.92 and 510,799.72 is: 766,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,753.72 : 1,888,917.92 = 510,799.72 : x
  2. Step 2: Convert to fraction form
    1,258,753.72/1,888,917.92 = 510,799.72/x
  3. Step 3: Cross multiply
    1,258,753.72x = 1,888,917.92 × 510,799.72
  4. Step 4: Simplify right side
    1,258,753.72x = 964,858,744,638.98
  5. Step 5: Solve for x
    x = 964,858,744,638.98/1,258,753.72
  6. Step 6: Final answer
    x = 766,519.08

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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.