Home / 1,245,443-1,868,166.30-346,887.32

Finding the Fourth Proportional to 1,245,443, 1,868,166.30 and 346,887.32

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Solution

The fourth proportional to 1,245,443, 1,868,166.30 and 346,887.32 is: 520,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,443 : 1,868,166.30 = 346,887.32 : x
  2. Step 2: Convert to fraction form
    1,245,443/1,868,166.30 = 346,887.32/x
  3. Step 3: Cross multiply
    1,245,443x = 1,868,166.30 × 346,887.32
  4. Step 4: Simplify right side
    1,245,443x = 648,043,201,121.32
  5. Step 5: Solve for x
    x = 648,043,201,121.32/1,245,443
  6. Step 6: Final answer
    x = 520,331.48

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.