Home / 1,186,742.34-1,637,997.39-677,739.96

Finding the Fourth Proportional to 1,186,742.34, 1,637,997.39 and 677,739.96

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Solution

The fourth proportional to 1,186,742.34, 1,637,997.39 and 677,739.96 is: 935,448.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,742.34 : 1,637,997.39 = 677,739.96 : x
  2. Step 2: Convert to fraction form
    1,186,742.34/1,637,997.39 = 677,739.96/x
  3. Step 3: Cross multiply
    1,186,742.34x = 1,637,997.39 × 677,739.96
  4. Step 4: Simplify right side
    1,186,742.34x = 1,110,136,285,578.70
  5. Step 5: Solve for x
    x = 1,110,136,285,578.70/1,186,742.34
  6. Step 6: Final answer
    x = 935,448.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.