Home / 947,381.81-1,418,526.23-721,667.01

Finding the Fourth Proportional to 947,381.81, 1,418,526.23 and 721,667.01

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Solution

The fourth proportional to 947,381.81, 1,418,526.23 and 721,667.01 is: 1,080,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,381.81 : 1,418,526.23 = 721,667.01 : x
  2. Step 2: Convert to fraction form
    947,381.81/1,418,526.23 = 721,667.01/x
  3. Step 3: Cross multiply
    947,381.81x = 1,418,526.23 × 721,667.01
  4. Step 4: Simplify right side
    947,381.81x = 1,023,703,583,010.67
  5. Step 5: Solve for x
    x = 1,023,703,583,010.67/947,381.81
  6. Step 6: Final answer
    x = 1,080,560.73

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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.