Home / 1,425,452.64-1,967,125.44-780,896.16

Finding the Fourth Proportional to 1,425,452.64, 1,967,125.44 and 780,896.16

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Solution

The fourth proportional to 1,425,452.64, 1,967,125.44 and 780,896.16 is: 1,077,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,452.64 : 1,967,125.44 = 780,896.16 : x
  2. Step 2: Convert to fraction form
    1,425,452.64/1,967,125.44 = 780,896.16/x
  3. Step 3: Cross multiply
    1,425,452.64x = 1,967,125.44 × 780,896.16
  4. Step 4: Simplify right side
    1,425,452.64x = 1,536,120,702,334.31
  5. Step 5: Solve for x
    x = 1,536,120,702,334.31/1,425,452.64
  6. Step 6: Final answer
    x = 1,077,637.14

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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.