Home / 939,892.12-1,297,052.13-510,172.18

Finding the Fourth Proportional to 939,892.12, 1,297,052.13 and 510,172.18

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Solution

The fourth proportional to 939,892.12, 1,297,052.13 and 510,172.18 is: 704,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,892.12 : 1,297,052.13 = 510,172.18 : x
  2. Step 2: Convert to fraction form
    939,892.12/1,297,052.13 = 510,172.18/x
  3. Step 3: Cross multiply
    939,892.12x = 1,297,052.13 × 510,172.18
  4. Step 4: Simplify right side
    939,892.12x = 661,719,912,735.74
  5. Step 5: Solve for x
    x = 661,719,912,735.74/939,892.12
  6. Step 6: Final answer
    x = 704,038.15

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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.