Home / 1,080,940.80-1,621,411.20-549,499.80

Finding the Fourth Proportional to 1,080,940.80, 1,621,411.20 and 549,499.80

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Solution

The fourth proportional to 1,080,940.80, 1,621,411.20 and 549,499.80 is: 824,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,940.80 : 1,621,411.20 = 549,499.80 : x
  2. Step 2: Convert to fraction form
    1,080,940.80/1,621,411.20 = 549,499.80/x
  3. Step 3: Cross multiply
    1,080,940.80x = 1,621,411.20 × 549,499.80
  4. Step 4: Simplify right side
    1,080,940.80x = 890,965,130,117.76
  5. Step 5: Solve for x
    x = 890,965,130,117.76/1,080,940.80
  6. Step 6: Final answer
    x = 824,249.70

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Double scale
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Similar ratio
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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.