Home / 984,047.70-1,476,071.55-859,631.70

Finding the Fourth Proportional to 984,047.70, 1,476,071.55 and 859,631.70

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Solution

The fourth proportional to 984,047.70, 1,476,071.55 and 859,631.70 is: 1,289,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,047.70 : 1,476,071.55 = 859,631.70 : x
  2. Step 2: Convert to fraction form
    984,047.70/1,476,071.55 = 859,631.70/x
  3. Step 3: Cross multiply
    984,047.70x = 1,476,071.55 × 859,631.70
  4. Step 4: Simplify right side
    984,047.70x = 1,268,877,895,848.14
  5. Step 5: Solve for x
    x = 1,268,877,895,848.14/984,047.70
  6. Step 6: Final answer
    x = 1,289,447.55

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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.