Home / 1,342,171.86-1,852,169.67-730,336.74

Finding the Fourth Proportional to 1,342,171.86, 1,852,169.67 and 730,336.74

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Solution

The fourth proportional to 1,342,171.86, 1,852,169.67 and 730,336.74 is: 1,007,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,171.86 : 1,852,169.67 = 730,336.74 : x
  2. Step 2: Convert to fraction form
    1,342,171.86/1,852,169.67 = 730,336.74/x
  3. Step 3: Cross multiply
    1,342,171.86x = 1,852,169.67 × 730,336.74
  4. Step 4: Simplify right side
    1,342,171.86x = 1,352,707,558,714.68
  5. Step 5: Solve for x
    x = 1,352,707,558,714.68/1,342,171.86
  6. Step 6: Final answer
    x = 1,007,849.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.