Home / 1,591,335.21-2,386,979.44-393,257.50

Finding the Fourth Proportional to 1,591,335.21, 2,386,979.44 and 393,257.50

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Solution

The fourth proportional to 1,591,335.21, 2,386,979.44 and 393,257.50 is: 589,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,335.21 : 2,386,979.44 = 393,257.50 : x
  2. Step 2: Convert to fraction form
    1,591,335.21/2,386,979.44 = 393,257.50/x
  3. Step 3: Cross multiply
    1,591,335.21x = 2,386,979.44 × 393,257.50
  4. Step 4: Simplify right side
    1,591,335.21x = 938,697,567,125.80
  5. Step 5: Solve for x
    x = 938,697,567,125.80/1,591,335.21
  6. Step 6: Final answer
    x = 589,880.47

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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.