Home / 1,384,200.90-2,076,301.35-636,246.90

Finding the Fourth Proportional to 1,384,200.90, 2,076,301.35 and 636,246.90

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Solution

The fourth proportional to 1,384,200.90, 2,076,301.35 and 636,246.90 is: 954,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,200.90 : 2,076,301.35 = 636,246.90 : x
  2. Step 2: Convert to fraction form
    1,384,200.90/2,076,301.35 = 636,246.90/x
  3. Step 3: Cross multiply
    1,384,200.90x = 2,076,301.35 × 636,246.90
  4. Step 4: Simplify right side
    1,384,200.90x = 1,321,040,297,403.32
  5. Step 5: Solve for x
    x = 1,321,040,297,403.32/1,384,200.90
  6. Step 6: Final answer
    x = 954,370.35

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Double scale
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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.