Home / 2,758,967.20-4,138,625.73-865,783.36

Finding the Fourth Proportional to 2,758,967.20, 4,138,625.73 and 865,783.36

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Solution

The fourth proportional to 2,758,967.20, 4,138,625.73 and 865,783.36 is: 1,298,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,967.20 : 4,138,625.73 = 865,783.36 : x
  2. Step 2: Convert to fraction form
    2,758,967.20/4,138,625.73 = 865,783.36/x
  3. Step 3: Cross multiply
    2,758,967.20x = 4,138,625.73 × 865,783.36
  4. Step 4: Simplify right side
    2,758,967.20x = 3,583,153,290,301.85
  5. Step 5: Solve for x
    x = 3,583,153,290,301.85/2,758,967.20
  6. Step 6: Final answer
    x = 1,298,729.93

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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.