Home / 1,329,037.20-1,994,016.60-581,619.60

Finding the Fourth Proportional to 1,329,037.20, 1,994,016.60 and 581,619.60

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Solution

The fourth proportional to 1,329,037.20, 1,994,016.60 and 581,619.60 is: 872,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,037.20 : 1,994,016.60 = 581,619.60 : x
  2. Step 2: Convert to fraction form
    1,329,037.20/1,994,016.60 = 581,619.60/x
  3. Step 3: Cross multiply
    1,329,037.20x = 1,994,016.60 × 581,619.60
  4. Step 4: Simplify right side
    1,329,037.20x = 1,159,759,137,285.36
  5. Step 5: Solve for x
    x = 1,159,759,137,285.36/1,329,037.20
  6. Step 6: Final answer
    x = 872,631.06

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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.