Home / 1,075,992.40-1,610,489.40-838,046.80

Finding the Fourth Proportional to 1,075,992.40, 1,610,489.40 and 838,046.80

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Solution

The fourth proportional to 1,075,992.40, 1,610,489.40 and 838,046.80 is: 1,254,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,992.40 : 1,610,489.40 = 838,046.80 : x
  2. Step 2: Convert to fraction form
    1,075,992.40/1,610,489.40 = 838,046.80/x
  3. Step 3: Cross multiply
    1,075,992.40x = 1,610,489.40 × 838,046.80
  4. Step 4: Simplify right side
    1,075,992.40x = 1,349,665,488,103.92
  5. Step 5: Solve for x
    x = 1,349,665,488,103.92/1,075,992.40
  6. Step 6: Final answer
    x = 1,254,344.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.