Home / 947,847.60-1,418,315.40-699,015.60

Finding the Fourth Proportional to 947,847.60, 1,418,315.40 and 699,015.60

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Solution

The fourth proportional to 947,847.60, 1,418,315.40 and 699,015.60 is: 1,045,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,847.60 : 1,418,315.40 = 699,015.60 : x
  2. Step 2: Convert to fraction form
    947,847.60/1,418,315.40 = 699,015.60/x
  3. Step 3: Cross multiply
    947,847.60x = 1,418,315.40 × 699,015.60
  4. Step 4: Simplify right side
    947,847.60x = 991,424,590,320.24
  5. Step 5: Solve for x
    x = 991,424,590,320.24/947,847.60
  6. Step 6: Final answer
    x = 1,045,974.68

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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.