Home / 1,377,967.29-2,066,817.30-418,431.20

Finding the Fourth Proportional to 1,377,967.29, 2,066,817.30 and 418,431.20

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Solution

The fourth proportional to 1,377,967.29, 2,066,817.30 and 418,431.20 is: 627,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,967.29 : 2,066,817.30 = 418,431.20 : x
  2. Step 2: Convert to fraction form
    1,377,967.29/2,066,817.30 = 418,431.20/x
  3. Step 3: Cross multiply
    1,377,967.29x = 2,066,817.30 × 418,431.20
  4. Step 4: Simplify right side
    1,377,967.29x = 864,820,851,461.79
  5. Step 5: Solve for x
    x = 864,820,851,461.79/1,377,967.29
  6. Step 6: Final answer
    x = 627,606.23

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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.