Home / 1,298,200.03-1,947,300.04-499,857.55

Finding the Fourth Proportional to 1,298,200.03, 1,947,300.04 and 499,857.55

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Solution

The fourth proportional to 1,298,200.03, 1,947,300.04 and 499,857.55 is: 749,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,200.03 : 1,947,300.04 = 499,857.55 : x
  2. Step 2: Convert to fraction form
    1,298,200.03/1,947,300.04 = 499,857.55/x
  3. Step 3: Cross multiply
    1,298,200.03x = 1,947,300.04 × 499,857.55
  4. Step 4: Simplify right side
    1,298,200.03x = 973,372,622,865.87
  5. Step 5: Solve for x
    x = 973,372,622,865.87/1,298,200.03
  6. Step 6: Final answer
    x = 749,786.32

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Double scale
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Similar ratio
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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.