Home / 1,119,948.78-1,679,299.28-664,724.82

Finding the Fourth Proportional to 1,119,948.78, 1,679,299.28 and 664,724.82

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Solution

The fourth proportional to 1,119,948.78, 1,679,299.28 and 664,724.82 is: 996,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,948.78 : 1,679,299.28 = 664,724.82 : x
  2. Step 2: Convert to fraction form
    1,119,948.78/1,679,299.28 = 664,724.82/x
  3. Step 3: Cross multiply
    1,119,948.78x = 1,679,299.28 × 664,724.82
  4. Step 4: Simplify right side
    1,119,948.78x = 1,116,271,911,624.13
  5. Step 5: Solve for x
    x = 1,116,271,911,624.13/1,119,948.78
  6. Step 6: Final answer
    x = 996,716.93

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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.