Home / 1,429,951.90-1,972,853.52-809,672.46

Finding the Fourth Proportional to 1,429,951.90, 1,972,853.52 and 809,672.46

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Solution

The fourth proportional to 1,429,951.90, 1,972,853.52 and 809,672.46 is: 1,117,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,951.90 : 1,972,853.52 = 809,672.46 : x
  2. Step 2: Convert to fraction form
    1,429,951.90/1,972,853.52 = 809,672.46/x
  3. Step 3: Cross multiply
    1,429,951.90x = 1,972,853.52 × 809,672.46
  4. Step 4: Simplify right side
    1,429,951.90x = 1,597,365,152,323.59
  5. Step 5: Solve for x
    x = 1,597,365,152,323.59/1,429,951.90
  6. Step 6: Final answer
    x = 1,117,076.14

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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.