Home / 1,425,595.27-1,967,462.56-813,840.11

Finding the Fourth Proportional to 1,425,595.27, 1,967,462.56 and 813,840.11

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Solution

The fourth proportional to 1,425,595.27, 1,967,462.56 and 813,840.11 is: 1,123,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,595.27 : 1,967,462.56 = 813,840.11 : x
  2. Step 2: Convert to fraction form
    1,425,595.27/1,967,462.56 = 813,840.11/x
  3. Step 3: Cross multiply
    1,425,595.27x = 1,967,462.56 × 813,840.11
  4. Step 4: Simplify right side
    1,425,595.27x = 1,601,199,944,809.25
  5. Step 5: Solve for x
    x = 1,601,199,944,809.25/1,425,595.27
  6. Step 6: Final answer
    x = 1,123,179.90

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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.