Home / 1,518,813.73-2,279,417.57-666,473.70

Finding the Fourth Proportional to 1,518,813.73, 2,279,417.57 and 666,473.70

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Solution

The fourth proportional to 1,518,813.73, 2,279,417.57 and 666,473.70 is: 1,000,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,813.73 : 2,279,417.57 = 666,473.70 : x
  2. Step 2: Convert to fraction form
    1,518,813.73/2,279,417.57 = 666,473.70/x
  3. Step 3: Cross multiply
    1,518,813.73x = 2,279,417.57 × 666,473.70
  4. Step 4: Simplify right side
    1,518,813.73x = 1,519,171,861,722.91
  5. Step 5: Solve for x
    x = 1,519,171,861,722.91/1,518,813.73
  6. Step 6: Final answer
    x = 1,000,235.80

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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.