Home / 1,458,314.88-2,012,174.08-838,000.22

Finding the Fourth Proportional to 1,458,314.88, 2,012,174.08 and 838,000.22

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Solution

The fourth proportional to 1,458,314.88, 2,012,174.08 and 838,000.22 is: 1,156,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,314.88 : 2,012,174.08 = 838,000.22 : x
  2. Step 2: Convert to fraction form
    1,458,314.88/2,012,174.08 = 838,000.22/x
  3. Step 3: Cross multiply
    1,458,314.88x = 2,012,174.08 × 838,000.22
  4. Step 4: Simplify right side
    1,458,314.88x = 1,686,202,328,100.62
  5. Step 5: Solve for x
    x = 1,686,202,328,100.62/1,458,314.88
  6. Step 6: Final answer
    x = 1,156,267.66

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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.