Home / 1,143,316.82-1,573,817.27-988,197.46

Finding the Fourth Proportional to 1,143,316.82, 1,573,817.27 and 988,197.46

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Solution

The fourth proportional to 1,143,316.82, 1,573,817.27 and 988,197.46 is: 1,360,289.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,316.82 : 1,573,817.27 = 988,197.46 : x
  2. Step 2: Convert to fraction form
    1,143,316.82/1,573,817.27 = 988,197.46/x
  3. Step 3: Cross multiply
    1,143,316.82x = 1,573,817.27 × 988,197.46
  4. Step 4: Simplify right side
    1,143,316.82x = 1,555,242,219,842.60
  5. Step 5: Solve for x
    x = 1,555,242,219,842.60/1,143,316.82
  6. Step 6: Final answer
    x = 1,360,289.82

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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.