Home / 1,090,116.60-1,634,591.70-380,167.80

Finding the Fourth Proportional to 1,090,116.60, 1,634,591.70 and 380,167.80

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Solution

The fourth proportional to 1,090,116.60, 1,634,591.70 and 380,167.80 is: 570,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,116.60 : 1,634,591.70 = 380,167.80 : x
  2. Step 2: Convert to fraction form
    1,090,116.60/1,634,591.70 = 380,167.80/x
  3. Step 3: Cross multiply
    1,090,116.60x = 1,634,591.70 × 380,167.80
  4. Step 4: Simplify right side
    1,090,116.60x = 621,419,130,487.26
  5. Step 5: Solve for x
    x = 621,419,130,487.26/1,090,116.60
  6. Step 6: Final answer
    x = 570,048.31

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1.5x scale

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.