Home / 946,646.17-1,418,917.47-721,263.57

Finding the Fourth Proportional to 946,646.17, 1,418,917.47 and 721,263.57

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Solution

The fourth proportional to 946,646.17, 1,418,917.47 and 721,263.57 is: 1,081,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,646.17 : 1,418,917.47 = 721,263.57 : x
  2. Step 2: Convert to fraction form
    946,646.17/1,418,917.47 = 721,263.57/x
  3. Step 3: Cross multiply
    946,646.17x = 1,418,917.47 × 721,263.57
  4. Step 4: Simplify right side
    946,646.17x = 1,023,413,479,947.57
  5. Step 5: Solve for x
    x = 1,023,413,479,947.57/946,646.17
  6. Step 6: Final answer
    x = 1,081,093.98

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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.