Home / 1,377,968.22-2,066,818.67-418,432.14

Finding the Fourth Proportional to 1,377,968.22, 2,066,818.67 and 418,432.14

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Solution

The fourth proportional to 1,377,968.22, 2,066,818.67 and 418,432.14 is: 627,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,968.22 : 2,066,818.67 = 418,432.14 : x
  2. Step 2: Convert to fraction form
    1,377,968.22/2,066,818.67 = 418,432.14/x
  3. Step 3: Cross multiply
    1,377,968.22x = 2,066,818.67 × 418,432.14
  4. Step 4: Simplify right side
    1,377,968.22x = 864,823,359,080.05
  5. Step 5: Solve for x
    x = 864,823,359,080.05/1,377,968.22
  6. Step 6: Final answer
    x = 627,607.62

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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.