Home / 1,020,201.40-1,530,302.10-347,042.80

Finding the Fourth Proportional to 1,020,201.40, 1,530,302.10 and 347,042.80

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Solution

The fourth proportional to 1,020,201.40, 1,530,302.10 and 347,042.80 is: 520,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,201.40 : 1,530,302.10 = 347,042.80 : x
  2. Step 2: Convert to fraction form
    1,020,201.40/1,530,302.10 = 347,042.80/x
  3. Step 3: Cross multiply
    1,020,201.40x = 1,530,302.10 × 347,042.80
  4. Step 4: Simplify right side
    1,020,201.40x = 531,080,325,629.88
  5. Step 5: Solve for x
    x = 531,080,325,629.88/1,020,201.40
  6. Step 6: Final answer
    x = 520,564.20

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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.