Home / 1,278,218.16-1,764,580.28-794,939.02

Finding the Fourth Proportional to 1,278,218.16, 1,764,580.28 and 794,939.02

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Solution

The fourth proportional to 1,278,218.16, 1,764,580.28 and 794,939.02 is: 1,097,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,218.16 : 1,764,580.28 = 794,939.02 : x
  2. Step 2: Convert to fraction form
    1,278,218.16/1,764,580.28 = 794,939.02/x
  3. Step 3: Cross multiply
    1,278,218.16x = 1,764,580.28 × 794,939.02
  4. Step 4: Simplify right side
    1,278,218.16x = 1,402,733,710,108.38
  5. Step 5: Solve for x
    x = 1,402,733,710,108.38/1,278,218.16
  6. Step 6: Final answer
    x = 1,097,413.38

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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.