Home / 1,485,601.67-2,050,138.88-873,780.32

Finding the Fourth Proportional to 1,485,601.67, 2,050,138.88 and 873,780.32

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Solution

The fourth proportional to 1,485,601.67, 2,050,138.88 and 873,780.32 is: 1,205,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,601.67 : 2,050,138.88 = 873,780.32 : x
  2. Step 2: Convert to fraction form
    1,485,601.67/2,050,138.88 = 873,780.32/x
  3. Step 3: Cross multiply
    1,485,601.67x = 2,050,138.88 × 873,780.32
  4. Step 4: Simplify right side
    1,485,601.67x = 1,791,370,991,991.25
  5. Step 5: Solve for x
    x = 1,791,370,991,991.25/1,485,601.67
  6. Step 6: Final answer
    x = 1,205,821.88

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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.