Home / 1,302,016.90-1,796,797.70-721,248.93

Finding the Fourth Proportional to 1,302,016.90, 1,796,797.70 and 721,248.93

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Solution

The fourth proportional to 1,302,016.90, 1,796,797.70 and 721,248.93 is: 995,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,016.90 : 1,796,797.70 = 721,248.93 : x
  2. Step 2: Convert to fraction form
    1,302,016.90/1,796,797.70 = 721,248.93/x
  3. Step 3: Cross multiply
    1,302,016.90x = 1,796,797.70 × 721,248.93
  4. Step 4: Simplify right side
    1,302,016.90x = 1,295,938,418,551.46
  5. Step 5: Solve for x
    x = 1,295,938,418,551.46/1,302,016.90
  6. Step 6: Final answer
    x = 995,331.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.