Home / 1,428,652.26-1,971,538.50-784,074.12

Finding the Fourth Proportional to 1,428,652.26, 1,971,538.50 and 784,074.12

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Solution

The fourth proportional to 1,428,652.26, 1,971,538.50 and 784,074.12 is: 1,082,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,652.26 : 1,971,538.50 = 784,074.12 : x
  2. Step 2: Convert to fraction form
    1,428,652.26/1,971,538.50 = 784,074.12/x
  3. Step 3: Cross multiply
    1,428,652.26x = 1,971,538.50 × 784,074.12
  4. Step 4: Simplify right side
    1,428,652.26x = 1,545,832,314,433.62
  5. Step 5: Solve for x
    x = 1,545,832,314,433.62/1,428,652.26
  6. Step 6: Final answer
    x = 1,082,021.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.