Home / 1,100,011.01-1,649,945.66-380,333.10

Finding the Fourth Proportional to 1,100,011.01, 1,649,945.66 and 380,333.10

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Solution

The fourth proportional to 1,100,011.01, 1,649,945.66 and 380,333.10 is: 570,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,011.01 : 1,649,945.66 = 380,333.10 : x
  2. Step 2: Convert to fraction form
    1,100,011.01/1,649,945.66 = 380,333.10/x
  3. Step 3: Cross multiply
    1,100,011.01x = 1,649,945.66 × 380,333.10
  4. Step 4: Simplify right side
    1,100,011.01x = 627,528,947,699.35
  5. Step 5: Solve for x
    x = 627,528,947,699.35/1,100,011.01
  6. Step 6: Final answer
    x = 570,475.15

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Double scale
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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.