Home / 1,376,361.12-2,064,540.92-429,812.96

Finding the Fourth Proportional to 1,376,361.12, 2,064,540.92 and 429,812.96

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Solution

The fourth proportional to 1,376,361.12, 2,064,540.92 and 429,812.96 is: 644,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,361.12 : 2,064,540.92 = 429,812.96 : x
  2. Step 2: Convert to fraction form
    1,376,361.12/2,064,540.92 = 429,812.96/x
  3. Step 3: Cross multiply
    1,376,361.12x = 2,064,540.92 × 429,812.96
  4. Step 4: Simplify right side
    1,376,361.12x = 887,366,443,866.32
  5. Step 5: Solve for x
    x = 887,366,443,866.32/1,376,361.12
  6. Step 6: Final answer
    x = 644,719.20

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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.