Home / 1,391,050.80-2,085,164.60-790,771.60

Finding the Fourth Proportional to 1,391,050.80, 2,085,164.60 and 790,771.60

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Solution

The fourth proportional to 1,391,050.80, 2,085,164.60 and 790,771.60 is: 1,185,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,050.80 : 2,085,164.60 = 790,771.60 : x
  2. Step 2: Convert to fraction form
    1,391,050.80/2,085,164.60 = 790,771.60/x
  3. Step 3: Cross multiply
    1,391,050.80x = 2,085,164.60 × 790,771.60
  4. Step 4: Simplify right side
    1,391,050.80x = 1,648,888,947,005.36
  5. Step 5: Solve for x
    x = 1,648,888,947,005.36/1,391,050.80
  6. Step 6: Final answer
    x = 1,185,354.95

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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.