Home / 1,152,293.76-1,728,194.40-442,072.80

Finding the Fourth Proportional to 1,152,293.76, 1,728,194.40 and 442,072.80

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Solution

The fourth proportional to 1,152,293.76, 1,728,194.40 and 442,072.80 is: 663,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,293.76 : 1,728,194.40 = 442,072.80 : x
  2. Step 2: Convert to fraction form
    1,152,293.76/1,728,194.40 = 442,072.80/x
  3. Step 3: Cross multiply
    1,152,293.76x = 1,728,194.40 × 442,072.80
  4. Step 4: Simplify right side
    1,152,293.76x = 763,987,737,352.32
  5. Step 5: Solve for x
    x = 763,987,737,352.32/1,152,293.76
  6. Step 6: Final answer
    x = 663,014.73

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1.5x scale

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.