Home / 886,965.60-1,328,480.10-729,501.60

Finding the Fourth Proportional to 886,965.60, 1,328,480.10 and 729,501.60

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Solution

The fourth proportional to 886,965.60, 1,328,480.10 and 729,501.60 is: 1,092,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,965.60 : 1,328,480.10 = 729,501.60 : x
  2. Step 2: Convert to fraction form
    886,965.60/1,328,480.10 = 729,501.60/x
  3. Step 3: Cross multiply
    886,965.60x = 1,328,480.10 × 729,501.60
  4. Step 4: Simplify right side
    886,965.60x = 969,128,358,518.16
  5. Step 5: Solve for x
    x = 969,128,358,518.16/886,965.60
  6. Step 6: Final answer
    x = 1,092,633.53

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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.