Home / 1,015,835.40-1,522,370.70-720,001.80

Finding the Fourth Proportional to 1,015,835.40, 1,522,370.70 and 720,001.80

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Solution

The fourth proportional to 1,015,835.40, 1,522,370.70 and 720,001.80 is: 1,079,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,835.40 : 1,522,370.70 = 720,001.80 : x
  2. Step 2: Convert to fraction form
    1,015,835.40/1,522,370.70 = 720,001.80/x
  3. Step 3: Cross multiply
    1,015,835.40x = 1,522,370.70 × 720,001.80
  4. Step 4: Simplify right side
    1,015,835.40x = 1,096,109,644,267.26
  5. Step 5: Solve for x
    x = 1,096,109,644,267.26/1,015,835.40
  6. Step 6: Final answer
    x = 1,079,022.89

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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.