Home / 1,242,364.41-1,863,588.30-343,730.90

Finding the Fourth Proportional to 1,242,364.41, 1,863,588.30 and 343,730.90

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Solution

The fourth proportional to 1,242,364.41, 1,863,588.30 and 343,730.90 is: 515,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,364.41 : 1,863,588.30 = 343,730.90 : x
  2. Step 2: Convert to fraction form
    1,242,364.41/1,863,588.30 = 343,730.90/x
  3. Step 3: Cross multiply
    1,242,364.41x = 1,863,588.30 × 343,730.90
  4. Step 4: Simplify right side
    1,242,364.41x = 640,572,874,270.53
  5. Step 5: Solve for x
    x = 640,572,874,270.53/1,242,364.41
  6. Step 6: Final answer
    x = 515,607.88

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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.