Home / 1,293,979.80-1,940,969.70-452,443.80

Finding the Fourth Proportional to 1,293,979.80, 1,940,969.70 and 452,443.80

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Solution

The fourth proportional to 1,293,979.80, 1,940,969.70 and 452,443.80 is: 678,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,979.80 : 1,940,969.70 = 452,443.80 : x
  2. Step 2: Convert to fraction form
    1,293,979.80/1,940,969.70 = 452,443.80/x
  3. Step 3: Cross multiply
    1,293,979.80x = 1,940,969.70 × 452,443.80
  4. Step 4: Simplify right side
    1,293,979.80x = 878,179,706,752.86
  5. Step 5: Solve for x
    x = 878,179,706,752.86/1,293,979.80
  6. Step 6: Final answer
    x = 678,665.70

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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.