Home / 1,725,496.10-2,588,219.85-778,865.30

Finding the Fourth Proportional to 1,725,496.10, 2,588,219.85 and 778,865.30

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Solution

The fourth proportional to 1,725,496.10, 2,588,219.85 and 778,865.30 is: 1,168,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,496.10 : 2,588,219.85 = 778,865.30 : x
  2. Step 2: Convert to fraction form
    1,725,496.10/2,588,219.85 = 778,865.30/x
  3. Step 3: Cross multiply
    1,725,496.10x = 2,588,219.85 × 778,865.30
  4. Step 4: Simplify right side
    1,725,496.10x = 2,015,874,629,936.21
  5. Step 5: Solve for x
    x = 2,015,874,629,936.21/1,725,496.10
  6. Step 6: Final answer
    x = 1,168,286.98

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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.