Home / 947,381.31-1,418,525.48-721,666.51

Finding the Fourth Proportional to 947,381.31, 1,418,525.48 and 721,666.51

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Solution

The fourth proportional to 947,381.31, 1,418,525.48 and 721,666.51 is: 1,080,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,381.31 : 1,418,525.48 = 721,666.51 : x
  2. Step 2: Convert to fraction form
    947,381.31/1,418,525.48 = 721,666.51/x
  3. Step 3: Cross multiply
    947,381.31x = 1,418,525.48 × 721,666.51
  4. Step 4: Simplify right side
    947,381.31x = 1,023,702,330,755.53
  5. Step 5: Solve for x
    x = 1,023,702,330,755.53/947,381.31
  6. Step 6: Final answer
    x = 1,080,559.98

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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.