Home / 1,458,415.72-2,012,610-813,829.06

Finding the Fourth Proportional to 1,458,415.72, 2,012,610 and 813,829.06

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Solution

The fourth proportional to 1,458,415.72, 2,012,610 and 813,829.06 is: 1,123,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,415.72 : 2,012,610 = 813,829.06 : x
  2. Step 2: Convert to fraction form
    1,458,415.72/2,012,610 = 813,829.06/x
  3. Step 3: Cross multiply
    1,458,415.72x = 2,012,610 × 813,829.06
  4. Step 4: Simplify right side
    1,458,415.72x = 1,637,920,504,446.60
  5. Step 5: Solve for x
    x = 1,637,920,504,446.60/1,458,415.72
  6. Step 6: Final answer
    x = 1,123,082.04

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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.