Home / 1,791,294.51-2,471,874.43-986,478.51

Finding the Fourth Proportional to 1,791,294.51, 2,471,874.43 and 986,478.51

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Solution

The fourth proportional to 1,791,294.51, 2,471,874.43 and 986,478.51 is: 1,361,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,294.51 : 2,471,874.43 = 986,478.51 : x
  2. Step 2: Convert to fraction form
    1,791,294.51/2,471,874.43 = 986,478.51/x
  3. Step 3: Cross multiply
    1,791,294.51x = 2,471,874.43 × 986,478.51
  4. Step 4: Simplify right side
    1,791,294.51x = 2,438,451,004,613.50
  5. Step 5: Solve for x
    x = 2,438,451,004,613.50/1,791,294.51
  6. Step 6: Final answer
    x = 1,361,278.67

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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.