Home / 1,377,968.26-2,066,818.73-418,432.17

Finding the Fourth Proportional to 1,377,968.26, 2,066,818.73 and 418,432.17

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Solution

The fourth proportional to 1,377,968.26, 2,066,818.73 and 418,432.17 is: 627,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,968.26 : 2,066,818.73 = 418,432.17 : x
  2. Step 2: Convert to fraction form
    1,377,968.26/2,066,818.73 = 418,432.17/x
  3. Step 3: Cross multiply
    1,377,968.26x = 2,066,818.73 × 418,432.17
  4. Step 4: Simplify right side
    1,377,968.26x = 864,823,447,236.63
  5. Step 5: Solve for x
    x = 864,823,447,236.63/1,377,968.26
  6. Step 6: Final answer
    x = 627,607.67

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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.