Home / 946,646.80-1,418,918.38-721,264.16

Finding the Fourth Proportional to 946,646.80, 1,418,918.38 and 721,264.16

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Solution

The fourth proportional to 946,646.80, 1,418,918.38 and 721,264.16 is: 1,081,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,646.80 : 1,418,918.38 = 721,264.16 : x
  2. Step 2: Convert to fraction form
    946,646.80/1,418,918.38 = 721,264.16/x
  3. Step 3: Cross multiply
    946,646.80x = 1,418,918.38 × 721,264.16
  4. Step 4: Simplify right side
    946,646.80x = 1,023,414,975,203.40
  5. Step 5: Solve for x
    x = 1,023,414,975,203.40/946,646.80
  6. Step 6: Final answer
    x = 1,081,094.85

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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.