Home / 1,425,422.02-1,967,082.87-780,865.42

Finding the Fourth Proportional to 1,425,422.02, 1,967,082.87 and 780,865.42

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Solution

The fourth proportional to 1,425,422.02, 1,967,082.87 and 780,865.42 is: 1,077,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,422.02 : 1,967,082.87 = 780,865.42 : x
  2. Step 2: Convert to fraction form
    1,425,422.02/1,967,082.87 = 780,865.42/x
  3. Step 3: Cross multiply
    1,425,422.02x = 1,967,082.87 × 780,865.42
  4. Step 4: Simplify right side
    1,425,422.02x = 1,536,026,991,457.36
  5. Step 5: Solve for x
    x = 1,536,026,991,457.36/1,425,422.02
  6. Step 6: Final answer
    x = 1,077,594.54

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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.