Home / 988,811.20-1,483,216.80-752,615.20

Finding the Fourth Proportional to 988,811.20, 1,483,216.80 and 752,615.20

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Solution

The fourth proportional to 988,811.20, 1,483,216.80 and 752,615.20 is: 1,128,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,811.20 : 1,483,216.80 = 752,615.20 : x
  2. Step 2: Convert to fraction form
    988,811.20/1,483,216.80 = 752,615.20/x
  3. Step 3: Cross multiply
    988,811.20x = 1,483,216.80 × 752,615.20
  4. Step 4: Simplify right side
    988,811.20x = 1,116,291,508,575.36
  5. Step 5: Solve for x
    x = 1,116,291,508,575.36/988,811.20
  6. Step 6: Final answer
    x = 1,128,922.80

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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.