Home / 1,209,956.24-1,810,374.14-721,833.24

Finding the Fourth Proportional to 1,209,956.24, 1,810,374.14 and 721,833.24

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Solution

The fourth proportional to 1,209,956.24, 1,810,374.14 and 721,833.24 is: 1,080,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,956.24 : 1,810,374.14 = 721,833.24 : x
  2. Step 2: Convert to fraction form
    1,209,956.24/1,810,374.14 = 721,833.24/x
  3. Step 3: Cross multiply
    1,209,956.24x = 1,810,374.14 × 721,833.24
  4. Step 4: Simplify right side
    1,209,956.24x = 1,306,788,231,088.41
  5. Step 5: Solve for x
    x = 1,306,788,231,088.41/1,209,956.24
  6. Step 6: Final answer
    x = 1,080,029.33

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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.