Home / 1,396,638.24-2,095,875.76-765,994.72

Finding the Fourth Proportional to 1,396,638.24, 2,095,875.76 and 765,994.72

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Solution

The fourth proportional to 1,396,638.24, 2,095,875.76 and 765,994.72 is: 1,149,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,638.24 : 2,095,875.76 = 765,994.72 : x
  2. Step 2: Convert to fraction form
    1,396,638.24/2,095,875.76 = 765,994.72/x
  3. Step 3: Cross multiply
    1,396,638.24x = 2,095,875.76 × 765,994.72
  4. Step 4: Simplify right side
    1,396,638.24x = 1,605,429,765,935.99
  5. Step 5: Solve for x
    x = 1,605,429,765,935.99/1,396,638.24
  6. Step 6: Final answer
    x = 1,149,495.78

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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.