Home / 1,490,221.20-2,234,068.20-543,039.60

Finding the Fourth Proportional to 1,490,221.20, 2,234,068.20 and 543,039.60

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Solution

The fourth proportional to 1,490,221.20, 2,234,068.20 and 543,039.60 is: 814,098.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,221.20 : 2,234,068.20 = 543,039.60 : x
  2. Step 2: Convert to fraction form
    1,490,221.20/2,234,068.20 = 543,039.60/x
  3. Step 3: Cross multiply
    1,490,221.20x = 2,234,068.20 × 543,039.60
  4. Step 4: Simplify right side
    1,490,221.20x = 1,213,187,501,700.72
  5. Step 5: Solve for x
    x = 1,213,187,501,700.72/1,490,221.20
  6. Step 6: Final answer
    x = 814,098.94

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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.