Home / 1,020,003.10-1,530,004.65-355,155.10

Finding the Fourth Proportional to 1,020,003.10, 1,530,004.65 and 355,155.10

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Solution

The fourth proportional to 1,020,003.10, 1,530,004.65 and 355,155.10 is: 532,732.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,003.10 : 1,530,004.65 = 355,155.10 : x
  2. Step 2: Convert to fraction form
    1,020,003.10/1,530,004.65 = 355,155.10/x
  3. Step 3: Cross multiply
    1,020,003.10x = 1,530,004.65 × 355,155.10
  4. Step 4: Simplify right side
    1,020,003.10x = 543,388,954,471.22
  5. Step 5: Solve for x
    x = 543,388,954,471.22/1,020,003.10
  6. Step 6: Final answer
    x = 532,732.65

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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.