Home / 1,308,806.60-1,963,209.90-804,921.80

Finding the Fourth Proportional to 1,308,806.60, 1,963,209.90 and 804,921.80

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Solution

The fourth proportional to 1,308,806.60, 1,963,209.90 and 804,921.80 is: 1,207,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,806.60 : 1,963,209.90 = 804,921.80 : x
  2. Step 2: Convert to fraction form
    1,308,806.60/1,963,209.90 = 804,921.80/x
  3. Step 3: Cross multiply
    1,308,806.60x = 1,963,209.90 × 804,921.80
  4. Step 4: Simplify right side
    1,308,806.60x = 1,580,230,446,485.82
  5. Step 5: Solve for x
    x = 1,580,230,446,485.82/1,308,806.60
  6. Step 6: Final answer
    x = 1,207,382.70

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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.