Home / 947,409.81-1,418,568.21-721,695.03

Finding the Fourth Proportional to 947,409.81, 1,418,568.21 and 721,695.03

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Solution

The fourth proportional to 947,409.81, 1,418,568.21 and 721,695.03 is: 1,080,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,409.81 : 1,418,568.21 = 721,695.03 : x
  2. Step 2: Convert to fraction form
    947,409.81/1,418,568.21 = 721,695.03/x
  3. Step 3: Cross multiply
    947,409.81x = 1,418,568.21 × 721,695.03
  4. Step 4: Simplify right side
    947,409.81x = 1,023,773,626,873.00
  5. Step 5: Solve for x
    x = 1,023,773,626,873.00/947,409.81
  6. Step 6: Final answer
    x = 1,080,602.73

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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.