Home / 1,141,938-1,712,842.20-343,203.48

Finding the Fourth Proportional to 1,141,938, 1,712,842.20 and 343,203.48

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Solution

The fourth proportional to 1,141,938, 1,712,842.20 and 343,203.48 is: 514,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,938 : 1,712,842.20 = 343,203.48 : x
  2. Step 2: Convert to fraction form
    1,141,938/1,712,842.20 = 343,203.48/x
  3. Step 3: Cross multiply
    1,141,938x = 1,712,842.20 × 343,203.48
  4. Step 4: Simplify right side
    1,141,938x = 587,853,403,730.86
  5. Step 5: Solve for x
    x = 587,853,403,730.86/1,141,938
  6. Step 6: Final answer
    x = 514,785.74

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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.