Home / 1,410,569.80-2,117,928.30-991,702.60

Finding the Fourth Proportional to 1,410,569.80, 2,117,928.30 and 991,702.60

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Solution

The fourth proportional to 1,410,569.80, 2,117,928.30 and 991,702.60 is: 1,489,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,569.80 : 2,117,928.30 = 991,702.60 : x
  2. Step 2: Convert to fraction form
    1,410,569.80/2,117,928.30 = 991,702.60/x
  3. Step 3: Cross multiply
    1,410,569.80x = 2,117,928.30 × 991,702.60
  4. Step 4: Simplify right side
    1,410,569.80x = 2,100,355,001,723.58
  5. Step 5: Solve for x
    x = 2,100,355,001,723.58/1,410,569.80
  6. Step 6: Final answer
    x = 1,489,011.75

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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.