Home / 1,384,206.40-2,076,309.60-636,252.40

Finding the Fourth Proportional to 1,384,206.40, 2,076,309.60 and 636,252.40

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Solution

The fourth proportional to 1,384,206.40, 2,076,309.60 and 636,252.40 is: 954,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,206.40 : 2,076,309.60 = 636,252.40 : x
  2. Step 2: Convert to fraction form
    1,384,206.40/2,076,309.60 = 636,252.40/x
  3. Step 3: Cross multiply
    1,384,206.40x = 2,076,309.60 × 636,252.40
  4. Step 4: Simplify right side
    1,384,206.40x = 1,321,056,966,143.04
  5. Step 5: Solve for x
    x = 1,321,056,966,143.04/1,384,206.40
  6. Step 6: Final answer
    x = 954,378.60

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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.