Home / 1,216,940.80-1,825,411.20-375,491.20

Finding the Fourth Proportional to 1,216,940.80, 1,825,411.20 and 375,491.20

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Solution

The fourth proportional to 1,216,940.80, 1,825,411.20 and 375,491.20 is: 563,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,940.80 : 1,825,411.20 = 375,491.20 : x
  2. Step 2: Convert to fraction form
    1,216,940.80/1,825,411.20 = 375,491.20/x
  3. Step 3: Cross multiply
    1,216,940.80x = 1,825,411.20 × 375,491.20
  4. Step 4: Simplify right side
    1,216,940.80x = 685,425,841,981.44
  5. Step 5: Solve for x
    x = 685,425,841,981.44/1,216,940.80
  6. Step 6: Final answer
    x = 563,236.80

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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.