Home / 1,128,599.56-1,692,893.52-399,663.64

Finding the Fourth Proportional to 1,128,599.56, 1,692,893.52 and 399,663.64

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Solution

The fourth proportional to 1,128,599.56, 1,692,893.52 and 399,663.64 is: 599,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,599.56 : 1,692,893.52 = 399,663.64 : x
  2. Step 2: Convert to fraction form
    1,128,599.56/1,692,893.52 = 399,663.64/x
  3. Step 3: Cross multiply
    1,128,599.56x = 1,692,893.52 × 399,663.64
  4. Step 4: Simplify right side
    1,128,599.56x = 676,587,986,335.61
  5. Step 5: Solve for x
    x = 676,587,986,335.61/1,128,599.56
  6. Step 6: Final answer
    x = 599,493.40

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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.