Home / 1,209,955.24-1,810,372.65-721,832.23

Finding the Fourth Proportional to 1,209,955.24, 1,810,372.65 and 721,832.23

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Solution

The fourth proportional to 1,209,955.24, 1,810,372.65 and 721,832.23 is: 1,080,027.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,955.24 : 1,810,372.65 = 721,832.23 : x
  2. Step 2: Convert to fraction form
    1,209,955.24/1,810,372.65 = 721,832.23/x
  3. Step 3: Cross multiply
    1,209,955.24x = 1,810,372.65 × 721,832.23
  4. Step 4: Simplify right side
    1,209,955.24x = 1,306,785,327,080.51
  5. Step 5: Solve for x
    x = 1,306,785,327,080.51/1,209,955.24
  6. Step 6: Final answer
    x = 1,080,027.83

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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.