Home / 936,223.80-1,404,335.70-909,979.80

Finding the Fourth Proportional to 936,223.80, 1,404,335.70 and 909,979.80

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Solution

The fourth proportional to 936,223.80, 1,404,335.70 and 909,979.80 is: 1,364,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,223.80 : 1,404,335.70 = 909,979.80 : x
  2. Step 2: Convert to fraction form
    936,223.80/1,404,335.70 = 909,979.80/x
  3. Step 3: Cross multiply
    936,223.80x = 1,404,335.70 × 909,979.80
  4. Step 4: Simplify right side
    936,223.80x = 1,277,917,119,418.86
  5. Step 5: Solve for x
    x = 1,277,917,119,418.86/936,223.80
  6. Step 6: Final answer
    x = 1,364,969.70

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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.