Home / 1,216,382.40-1,824,400.80-417,700.80

Finding the Fourth Proportional to 1,216,382.40, 1,824,400.80 and 417,700.80

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Solution

The fourth proportional to 1,216,382.40, 1,824,400.80 and 417,700.80 is: 626,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,382.40 : 1,824,400.80 = 417,700.80 : x
  2. Step 2: Convert to fraction form
    1,216,382.40/1,824,400.80 = 417,700.80/x
  3. Step 3: Cross multiply
    1,216,382.40x = 1,824,400.80 × 417,700.80
  4. Step 4: Simplify right side
    1,216,382.40x = 762,053,673,680.64
  5. Step 5: Solve for x
    x = 762,053,673,680.64/1,216,382.40
  6. Step 6: Final answer
    x = 626,491.86

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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.