Home / 1,100,545.40-1,649,858.10-427,086.20

Finding the Fourth Proportional to 1,100,545.40, 1,649,858.10 and 427,086.20

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Solution

The fourth proportional to 1,100,545.40, 1,649,858.10 and 427,086.20 is: 640,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,545.40 : 1,649,858.10 = 427,086.20 : x
  2. Step 2: Convert to fraction form
    1,100,545.40/1,649,858.10 = 427,086.20/x
  3. Step 3: Cross multiply
    1,100,545.40x = 1,649,858.10 × 427,086.20
  4. Step 4: Simplify right side
    1,100,545.40x = 704,631,626,468.22
  5. Step 5: Solve for x
    x = 704,631,626,468.22/1,100,545.40
  6. Step 6: Final answer
    x = 640,256.75

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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.