Home / 1,451,193.12-2,176,792.11-552,428.46

Finding the Fourth Proportional to 1,451,193.12, 2,176,792.11 and 552,428.46

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Solution

The fourth proportional to 1,451,193.12, 2,176,792.11 and 552,428.46 is: 828,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,193.12 : 2,176,792.11 = 552,428.46 : x
  2. Step 2: Convert to fraction form
    1,451,193.12/2,176,792.11 = 552,428.46/x
  3. Step 3: Cross multiply
    1,451,193.12x = 2,176,792.11 × 552,428.46
  4. Step 4: Simplify right side
    1,451,193.12x = 1,202,521,913,067.45
  5. Step 5: Solve for x
    x = 1,202,521,913,067.45/1,451,193.12
  6. Step 6: Final answer
    x = 828,643.62

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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.