Home / 1,186,796.60-1,637,772.57-642,942.98

Finding the Fourth Proportional to 1,186,796.60, 1,637,772.57 and 642,942.98

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Solution

The fourth proportional to 1,186,796.60, 1,637,772.57 and 642,942.98 is: 887,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,796.60 : 1,637,772.57 = 642,942.98 : x
  2. Step 2: Convert to fraction form
    1,186,796.60/1,637,772.57 = 642,942.98/x
  3. Step 3: Cross multiply
    1,186,796.60x = 1,637,772.57 × 642,942.98
  4. Step 4: Simplify right side
    1,186,796.60x = 1,052,994,368,529.20
  5. Step 5: Solve for x
    x = 1,052,994,368,529.20/1,186,796.60
  6. Step 6: Final answer
    x = 887,257.66

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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.