Home / 1,100,534.40-1,649,841.60-427,075.20

Finding the Fourth Proportional to 1,100,534.40, 1,649,841.60 and 427,075.20

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Solution

The fourth proportional to 1,100,534.40, 1,649,841.60 and 427,075.20 is: 640,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,534.40 : 1,649,841.60 = 427,075.20 : x
  2. Step 2: Convert to fraction form
    1,100,534.40/1,649,841.60 = 427,075.20/x
  3. Step 3: Cross multiply
    1,100,534.40x = 1,649,841.60 × 427,075.20
  4. Step 4: Simplify right side
    1,100,534.40x = 704,606,431,288.32
  5. Step 5: Solve for x
    x = 704,606,431,288.32/1,100,534.40
  6. Step 6: Final answer
    x = 640,240.26

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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.