Home / 1,265,837.18-1,746,509.73-721,774.58

Finding the Fourth Proportional to 1,265,837.18, 1,746,509.73 and 721,774.58

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Solution

The fourth proportional to 1,265,837.18, 1,746,509.73 and 721,774.58 is: 995,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,837.18 : 1,746,509.73 = 721,774.58 : x
  2. Step 2: Convert to fraction form
    1,265,837.18/1,746,509.73 = 721,774.58/x
  3. Step 3: Cross multiply
    1,265,837.18x = 1,746,509.73 × 721,774.58
  4. Step 4: Simplify right side
    1,265,837.18x = 1,260,586,326,836.66
  5. Step 5: Solve for x
    x = 1,260,586,326,836.66/1,265,837.18
  6. Step 6: Final answer
    x = 995,851.87

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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.