Home / 1,038,691.69-1,558,263.52-328,725.88

Finding the Fourth Proportional to 1,038,691.69, 1,558,263.52 and 328,725.88

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Solution

The fourth proportional to 1,038,691.69, 1,558,263.52 and 328,725.88 is: 493,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,691.69 : 1,558,263.52 = 328,725.88 : x
  2. Step 2: Convert to fraction form
    1,038,691.69/1,558,263.52 = 328,725.88/x
  3. Step 3: Cross multiply
    1,038,691.69x = 1,558,263.52 × 328,725.88
  4. Step 4: Simplify right side
    1,038,691.69x = 512,241,539,092.58
  5. Step 5: Solve for x
    x = 512,241,539,092.58/1,038,691.69
  6. Step 6: Final answer
    x = 493,160.33

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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.