Home / 1,302,016.65-1,796,797.35-721,248.68

Finding the Fourth Proportional to 1,302,016.65, 1,796,797.35 and 721,248.68

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Solution

The fourth proportional to 1,302,016.65, 1,796,797.35 and 721,248.68 is: 995,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,016.65 : 1,796,797.35 = 721,248.68 : x
  2. Step 2: Convert to fraction form
    1,302,016.65/1,796,797.35 = 721,248.68/x
  3. Step 3: Cross multiply
    1,302,016.65x = 1,796,797.35 × 721,248.68
  4. Step 4: Simplify right side
    1,302,016.65x = 1,295,937,707,931.01
  5. Step 5: Solve for x
    x = 1,295,937,707,931.01/1,302,016.65
  6. Step 6: Final answer
    x = 995,331.13

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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.