Home / 946,679.49-1,418,967.18-721,296.72

Finding the Fourth Proportional to 946,679.49, 1,418,967.18 and 721,296.72

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Solution

The fourth proportional to 946,679.49, 1,418,967.18 and 721,296.72 is: 1,081,143.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,679.49 : 1,418,967.18 = 721,296.72 : x
  2. Step 2: Convert to fraction form
    946,679.49/1,418,967.18 = 721,296.72/x
  3. Step 3: Cross multiply
    946,679.49x = 1,418,967.18 × 721,296.72
  4. Step 4: Simplify right side
    946,679.49x = 1,023,496,372,721.65
  5. Step 5: Solve for x
    x = 1,023,496,372,721.65/946,679.49
  6. Step 6: Final answer
    x = 1,081,143.50

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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.