Home / 1,425,490.65-1,967,171.27-780,950.97

Finding the Fourth Proportional to 1,425,490.65, 1,967,171.27 and 780,950.97

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Solution

The fourth proportional to 1,425,490.65, 1,967,171.27 and 780,950.97 is: 1,077,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,490.65 : 1,967,171.27 = 780,950.97 : x
  2. Step 2: Convert to fraction form
    1,425,490.65/1,967,171.27 = 780,950.97/x
  3. Step 3: Cross multiply
    1,425,490.65x = 1,967,171.27 × 780,950.97
  4. Step 4: Simplify right side
    1,425,490.65x = 1,536,264,307,557.88
  5. Step 5: Solve for x
    x = 1,536,264,307,557.88/1,425,490.65
  6. Step 6: Final answer
    x = 1,077,709.14

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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.