Home / 1,458,357.72-2,012,529.90-813,771

Finding the Fourth Proportional to 1,458,357.72, 2,012,529.90 and 813,771

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Solution

The fourth proportional to 1,458,357.72, 2,012,529.90 and 813,771 is: 1,123,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,357.72 : 2,012,529.90 = 813,771 : x
  2. Step 2: Convert to fraction form
    1,458,357.72/2,012,529.90 = 813,771/x
  3. Step 3: Cross multiply
    1,458,357.72x = 2,012,529.90 × 813,771
  4. Step 4: Simplify right side
    1,458,357.72x = 1,637,738,469,252.90
  5. Step 5: Solve for x
    x = 1,637,738,469,252.90/1,458,357.72
  6. Step 6: Final answer
    x = 1,123,001.89

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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.