Home / 1,070,837.26-1,605,739.18-621,671.20

Finding the Fourth Proportional to 1,070,837.26, 1,605,739.18 and 621,671.20

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Solution

The fourth proportional to 1,070,837.26, 1,605,739.18 and 621,671.20 is: 932,206.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,837.26 : 1,605,739.18 = 621,671.20 : x
  2. Step 2: Convert to fraction form
    1,070,837.26/1,605,739.18 = 621,671.20/x
  3. Step 3: Cross multiply
    1,070,837.26x = 1,605,739.18 × 621,671.20
  4. Step 4: Simplify right side
    1,070,837.26x = 998,241,802,917.62
  5. Step 5: Solve for x
    x = 998,241,802,917.62/1,070,837.26
  6. Step 6: Final answer
    x = 932,206.83

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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.