Home / 1,325,761.70-1,829,499.57-810,378.52

Finding the Fourth Proportional to 1,325,761.70, 1,829,499.57 and 810,378.52

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Solution

The fourth proportional to 1,325,761.70, 1,829,499.57 and 810,378.52 is: 1,118,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,761.70 : 1,829,499.57 = 810,378.52 : x
  2. Step 2: Convert to fraction form
    1,325,761.70/1,829,499.57 = 810,378.52/x
  3. Step 3: Cross multiply
    1,325,761.70x = 1,829,499.57 × 810,378.52
  4. Step 4: Simplify right side
    1,325,761.70x = 1,482,587,153,877.24
  5. Step 5: Solve for x
    x = 1,482,587,153,877.24/1,325,761.70
  6. Step 6: Final answer
    x = 1,118,290.83

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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.