Home / 1,101,078.40-1,651,617.60-724,379.80

Finding the Fourth Proportional to 1,101,078.40, 1,651,617.60 and 724,379.80

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Solution

The fourth proportional to 1,101,078.40, 1,651,617.60 and 724,379.80 is: 1,086,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,078.40 : 1,651,617.60 = 724,379.80 : x
  2. Step 2: Convert to fraction form
    1,101,078.40/1,651,617.60 = 724,379.80/x
  3. Step 3: Cross multiply
    1,101,078.40x = 1,651,617.60 × 724,379.80
  4. Step 4: Simplify right side
    1,101,078.40x = 1,196,398,426,764.48
  5. Step 5: Solve for x
    x = 1,196,398,426,764.48/1,101,078.40
  6. Step 6: Final answer
    x = 1,086,569.70

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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.