Home / 1,224,322-1,835,431.20-425,499.76

Finding the Fourth Proportional to 1,224,322, 1,835,431.20 and 425,499.76

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Solution

The fourth proportional to 1,224,322, 1,835,431.20 and 425,499.76 is: 637,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,322 : 1,835,431.20 = 425,499.76 : x
  2. Step 2: Convert to fraction form
    1,224,322/1,835,431.20 = 425,499.76/x
  3. Step 3: Cross multiply
    1,224,322x = 1,835,431.20 × 425,499.76
  4. Step 4: Simplify right side
    1,224,322x = 780,975,535,096.51
  5. Step 5: Solve for x
    x = 780,975,535,096.51/1,224,322
  6. Step 6: Final answer
    x = 637,884.10

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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.