Home / 1,429,951.56-1,972,853.04-809,672.12

Finding the Fourth Proportional to 1,429,951.56, 1,972,853.04 and 809,672.12

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Solution

The fourth proportional to 1,429,951.56, 1,972,853.04 and 809,672.12 is: 1,117,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,951.56 : 1,972,853.04 = 809,672.12 : x
  2. Step 2: Convert to fraction form
    1,429,951.56/1,972,853.04 = 809,672.12/x
  3. Step 3: Cross multiply
    1,429,951.56x = 1,972,853.04 × 809,672.12
  4. Step 4: Simplify right side
    1,429,951.56x = 1,597,364,091,456.80
  5. Step 5: Solve for x
    x = 1,597,364,091,456.80/1,429,951.56
  6. Step 6: Final answer
    x = 1,117,075.67

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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.