Home / 1,218,137.76-1,827,382.08-376,755.12

Finding the Fourth Proportional to 1,218,137.76, 1,827,382.08 and 376,755.12

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Solution

The fourth proportional to 1,218,137.76, 1,827,382.08 and 376,755.12 is: 565,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,137.76 : 1,827,382.08 = 376,755.12 : x
  2. Step 2: Convert to fraction form
    1,218,137.76/1,827,382.08 = 376,755.12/x
  3. Step 3: Cross multiply
    1,218,137.76x = 1,827,382.08 × 376,755.12
  4. Step 4: Simplify right side
    1,218,137.76x = 688,475,554,836.25
  5. Step 5: Solve for x
    x = 688,475,554,836.25/1,218,137.76
  6. Step 6: Final answer
    x = 565,186.94

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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.