Home / 1,425,370.28-1,967,011.38-780,813.56

Finding the Fourth Proportional to 1,425,370.28, 1,967,011.38 and 780,813.56

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Solution

The fourth proportional to 1,425,370.28, 1,967,011.38 and 780,813.56 is: 1,077,522.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,370.28 : 1,967,011.38 = 780,813.56 : x
  2. Step 2: Convert to fraction form
    1,425,370.28/1,967,011.38 = 780,813.56/x
  3. Step 3: Cross multiply
    1,425,370.28x = 1,967,011.38 × 780,813.56
  4. Step 4: Simplify right side
    1,425,370.28x = 1,535,869,158,178.31
  5. Step 5: Solve for x
    x = 1,535,869,158,178.31/1,425,370.28
  6. Step 6: Final answer
    x = 1,077,522.93

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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.