Home / 1,298,492.78-1,791,910.28-717,754.08

Finding the Fourth Proportional to 1,298,492.78, 1,791,910.28 and 717,754.08

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Solution

The fourth proportional to 1,298,492.78, 1,791,910.28 and 717,754.08 is: 990,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,492.78 : 1,791,910.28 = 717,754.08 : x
  2. Step 2: Convert to fraction form
    1,298,492.78/1,791,910.28 = 717,754.08/x
  3. Step 3: Cross multiply
    1,298,492.78x = 1,791,910.28 × 717,754.08
  4. Step 4: Simplify right side
    1,298,492.78x = 1,286,150,916,258.33
  5. Step 5: Solve for x
    x = 1,286,150,916,258.33/1,298,492.78
  6. Step 6: Final answer
    x = 990,495.24

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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.