Home / 1,216,435.60-1,824,677.70-317,821.60

Finding the Fourth Proportional to 1,216,435.60, 1,824,677.70 and 317,821.60

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Solution

The fourth proportional to 1,216,435.60, 1,824,677.70 and 317,821.60 is: 476,738.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,435.60 : 1,824,677.70 = 317,821.60 : x
  2. Step 2: Convert to fraction form
    1,216,435.60/1,824,677.70 = 317,821.60/x
  3. Step 3: Cross multiply
    1,216,435.60x = 1,824,677.70 × 317,821.60
  4. Step 4: Simplify right side
    1,216,435.60x = 579,921,986,098.32
  5. Step 5: Solve for x
    x = 579,921,986,098.32/1,216,435.60
  6. Step 6: Final answer
    x = 476,738.75

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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.