Home / 1,126,645.34-1,690,233.90-368,483.94

Finding the Fourth Proportional to 1,126,645.34, 1,690,233.90 and 368,483.94

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Solution

The fourth proportional to 1,126,645.34, 1,690,233.90 and 368,483.94 is: 552,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,645.34 : 1,690,233.90 = 368,483.94 : x
  2. Step 2: Convert to fraction form
    1,126,645.34/1,690,233.90 = 368,483.94/x
  3. Step 3: Cross multiply
    1,126,645.34x = 1,690,233.90 × 368,483.94
  4. Step 4: Simplify right side
    1,126,645.34x = 622,824,046,993.57
  5. Step 5: Solve for x
    x = 622,824,046,993.57/1,126,645.34
  6. Step 6: Final answer
    x = 552,812.87

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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.