Home / 1,491,619.80-2,237,429.70-426,725.40

Finding the Fourth Proportional to 1,491,619.80, 2,237,429.70 and 426,725.40

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Solution

The fourth proportional to 1,491,619.80, 2,237,429.70 and 426,725.40 is: 640,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,619.80 : 2,237,429.70 = 426,725.40 : x
  2. Step 2: Convert to fraction form
    1,491,619.80/2,237,429.70 = 426,725.40/x
  3. Step 3: Cross multiply
    1,491,619.80x = 2,237,429.70 × 426,725.40
  4. Step 4: Simplify right side
    1,491,619.80x = 954,768,083,704.38
  5. Step 5: Solve for x
    x = 954,768,083,704.38/1,491,619.80
  6. Step 6: Final answer
    x = 640,088.10

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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.