Home / 1,383,672.80-2,075,571.36-424,058.10

Finding the Fourth Proportional to 1,383,672.80, 2,075,571.36 and 424,058.10

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Solution

The fourth proportional to 1,383,672.80, 2,075,571.36 and 424,058.10 is: 636,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,672.80 : 2,075,571.36 = 424,058.10 : x
  2. Step 2: Convert to fraction form
    1,383,672.80/2,075,571.36 = 424,058.10/x
  3. Step 3: Cross multiply
    1,383,672.80x = 2,075,571.36 × 424,058.10
  4. Step 4: Simplify right side
    1,383,672.80x = 880,162,847,336.02
  5. Step 5: Solve for x
    x = 880,162,847,336.02/1,383,672.80
  6. Step 6: Final answer
    x = 636,106.20

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Double scale
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Similar ratio
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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.