Home / 1,676,371.18-2,313,390.46-912,422.92

Finding the Fourth Proportional to 1,676,371.18, 2,313,390.46 and 912,422.92

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Solution

The fourth proportional to 1,676,371.18, 2,313,390.46 and 912,422.92 is: 1,259,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,371.18 : 2,313,390.46 = 912,422.92 : x
  2. Step 2: Convert to fraction form
    1,676,371.18/2,313,390.46 = 912,422.92/x
  3. Step 3: Cross multiply
    1,676,371.18x = 2,313,390.46 × 912,422.92
  4. Step 4: Simplify right side
    1,676,371.18x = 2,110,790,478,613.34
  5. Step 5: Solve for x
    x = 2,110,790,478,613.34/1,676,371.18
  6. Step 6: Final answer
    x = 1,259,142.67

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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.