Home / 1,100,009.01-1,649,942.66-380,331.10

Finding the Fourth Proportional to 1,100,009.01, 1,649,942.66 and 380,331.10

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Solution

The fourth proportional to 1,100,009.01, 1,649,942.66 and 380,331.10 is: 570,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,009.01 : 1,649,942.66 = 380,331.10 : x
  2. Step 2: Convert to fraction form
    1,100,009.01/1,649,942.66 = 380,331.10/x
  3. Step 3: Cross multiply
    1,100,009.01x = 1,649,942.66 × 380,331.10
  4. Step 4: Simplify right side
    1,100,009.01x = 627,524,500,547.06
  5. Step 5: Solve for x
    x = 627,524,500,547.06/1,100,009.01
  6. Step 6: Final answer
    x = 570,472.15

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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.