Home / 1,129,345.07-1,693,893.63-330,634.45

Finding the Fourth Proportional to 1,129,345.07, 1,693,893.63 and 330,634.45

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Solution

The fourth proportional to 1,129,345.07, 1,693,893.63 and 330,634.45 is: 495,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,345.07 : 1,693,893.63 = 330,634.45 : x
  2. Step 2: Convert to fraction form
    1,129,345.07/1,693,893.63 = 330,634.45/x
  3. Step 3: Cross multiply
    1,129,345.07x = 1,693,893.63 × 330,634.45
  4. Step 4: Simplify right side
    1,129,345.07x = 560,059,588,713.55
  5. Step 5: Solve for x
    x = 560,059,588,713.55/1,129,345.07
  6. Step 6: Final answer
    x = 495,915.38

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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.