Home / 1,142,455.05-1,713,337.16-343,524.51

Finding the Fourth Proportional to 1,142,455.05, 1,713,337.16 and 343,524.51

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Solution

The fourth proportional to 1,142,455.05, 1,713,337.16 and 343,524.51 is: 515,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,455.05 : 1,713,337.16 = 343,524.51 : x
  2. Step 2: Convert to fraction form
    1,142,455.05/1,713,337.16 = 343,524.51/x
  3. Step 3: Cross multiply
    1,142,455.05x = 1,713,337.16 × 343,524.51
  4. Step 4: Simplify right side
    1,142,455.05x = 588,573,306,636.17
  5. Step 5: Solve for x
    x = 588,573,306,636.17/1,142,455.05
  6. Step 6: Final answer
    x = 515,182.90

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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.