Home / 1,559,216.41-2,151,654.30-870,885.09

Finding the Fourth Proportional to 1,559,216.41, 2,151,654.30 and 870,885.09

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Solution

The fourth proportional to 1,559,216.41, 2,151,654.30 and 870,885.09 is: 1,201,785.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,216.41 : 2,151,654.30 = 870,885.09 : x
  2. Step 2: Convert to fraction form
    1,559,216.41/2,151,654.30 = 870,885.09/x
  3. Step 3: Cross multiply
    1,559,216.41x = 2,151,654.30 × 870,885.09
  4. Step 4: Simplify right side
    1,559,216.41x = 1,873,843,648,704.39
  5. Step 5: Solve for x
    x = 1,873,843,648,704.39/1,559,216.41
  6. Step 6: Final answer
    x = 1,201,785.48

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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.