Home / 1,080,003.60-1,620,005.40-576,118.80

Finding the Fourth Proportional to 1,080,003.60, 1,620,005.40 and 576,118.80

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Solution

The fourth proportional to 1,080,003.60, 1,620,005.40 and 576,118.80 is: 864,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,003.60 : 1,620,005.40 = 576,118.80 : x
  2. Step 2: Convert to fraction form
    1,080,003.60/1,620,005.40 = 576,118.80/x
  3. Step 3: Cross multiply
    1,080,003.60x = 1,620,005.40 × 576,118.80
  4. Step 4: Simplify right side
    1,080,003.60x = 933,315,567,041.52
  5. Step 5: Solve for x
    x = 933,315,567,041.52/1,080,003.60
  6. Step 6: Final answer
    x = 864,178.20

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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.