Home / 1,498,647.49-2,068,129.10-810,314.45

Finding the Fourth Proportional to 1,498,647.49, 2,068,129.10 and 810,314.45

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Solution

The fourth proportional to 1,498,647.49, 2,068,129.10 and 810,314.45 is: 1,118,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,647.49 : 2,068,129.10 = 810,314.45 : x
  2. Step 2: Convert to fraction form
    1,498,647.49/2,068,129.10 = 810,314.45/x
  3. Step 3: Cross multiply
    1,498,647.49x = 2,068,129.10 × 810,314.45
  4. Step 4: Simplify right side
    1,498,647.49x = 1,675,834,890,143.92
  5. Step 5: Solve for x
    x = 1,675,834,890,143.92/1,498,647.49
  6. Step 6: Final answer
    x = 1,118,231.54

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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.