Home / 1,118,192.67-1,543,170.81-842,056.17

Finding the Fourth Proportional to 1,118,192.67, 1,543,170.81 and 842,056.17

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Solution

The fourth proportional to 1,118,192.67, 1,543,170.81 and 842,056.17 is: 1,162,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,192.67 : 1,543,170.81 = 842,056.17 : x
  2. Step 2: Convert to fraction form
    1,118,192.67/1,543,170.81 = 842,056.17/x
  3. Step 3: Cross multiply
    1,118,192.67x = 1,543,170.81 × 842,056.17
  4. Step 4: Simplify right side
    1,118,192.67x = 1,299,436,501,924.40
  5. Step 5: Solve for x
    x = 1,299,436,501,924.40/1,118,192.67
  6. Step 6: Final answer
    x = 1,162,086.41

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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.