Home / 1,425,636.86-1,967,433.10-813,889.22

Finding the Fourth Proportional to 1,425,636.86, 1,967,433.10 and 813,889.22

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Solution

The fourth proportional to 1,425,636.86, 1,967,433.10 and 813,889.22 is: 1,123,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,636.86 : 1,967,433.10 = 813,889.22 : x
  2. Step 2: Convert to fraction form
    1,425,636.86/1,967,433.10 = 813,889.22/x
  3. Step 3: Cross multiply
    1,425,636.86x = 1,967,433.10 × 813,889.22
  4. Step 4: Simplify right side
    1,425,636.86x = 1,601,272,579,289.29
  5. Step 5: Solve for x
    x = 1,601,272,579,289.29/1,425,636.86
  6. Step 6: Final answer
    x = 1,123,198.08

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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.