Home / 1,100,549.40-1,649,864.10-427,090.20

Finding the Fourth Proportional to 1,100,549.40, 1,649,864.10 and 427,090.20

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Solution

The fourth proportional to 1,100,549.40, 1,649,864.10 and 427,090.20 is: 640,262.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,549.40 : 1,649,864.10 = 427,090.20 : x
  2. Step 2: Convert to fraction form
    1,100,549.40/1,649,864.10 = 427,090.20/x
  3. Step 3: Cross multiply
    1,100,549.40x = 1,649,864.10 × 427,090.20
  4. Step 4: Simplify right side
    1,100,549.40x = 704,640,788,441.82
  5. Step 5: Solve for x
    x = 704,640,788,441.82/1,100,549.40
  6. Step 6: Final answer
    x = 640,262.75

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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.