Home / 908,189.60-1,359,951.60-720,010.40

Finding the Fourth Proportional to 908,189.60, 1,359,951.60 and 720,010.40

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Solution

The fourth proportional to 908,189.60, 1,359,951.60 and 720,010.40 is: 1,078,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,189.60 : 1,359,951.60 = 720,010.40 : x
  2. Step 2: Convert to fraction form
    908,189.60/1,359,951.60 = 720,010.40/x
  3. Step 3: Cross multiply
    908,189.60x = 1,359,951.60 × 720,010.40
  4. Step 4: Simplify right side
    908,189.60x = 979,179,295,496.64
  5. Step 5: Solve for x
    x = 979,179,295,496.64/908,189.60
  6. Step 6: Final answer
    x = 1,078,166.16

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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.