Home / 1,232,456.80-1,848,685.20-434,639.20

Finding the Fourth Proportional to 1,232,456.80, 1,848,685.20 and 434,639.20

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Solution

The fourth proportional to 1,232,456.80, 1,848,685.20 and 434,639.20 is: 651,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,456.80 : 1,848,685.20 = 434,639.20 : x
  2. Step 2: Convert to fraction form
    1,232,456.80/1,848,685.20 = 434,639.20/x
  3. Step 3: Cross multiply
    1,232,456.80x = 1,848,685.20 × 434,639.20
  4. Step 4: Simplify right side
    1,232,456.80x = 803,511,056,379.84
  5. Step 5: Solve for x
    x = 803,511,056,379.84/1,232,456.80
  6. Step 6: Final answer
    x = 651,958.80

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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.