Home / 1,820,155.41-2,729,066.70-755,932.05

Finding the Fourth Proportional to 1,820,155.41, 2,729,066.70 and 755,932.05

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Solution

The fourth proportional to 1,820,155.41, 2,729,066.70 and 755,932.05 is: 1,133,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,155.41 : 2,729,066.70 = 755,932.05 : x
  2. Step 2: Convert to fraction form
    1,820,155.41/2,729,066.70 = 755,932.05/x
  3. Step 3: Cross multiply
    1,820,155.41x = 2,729,066.70 × 755,932.05
  4. Step 4: Simplify right side
    1,820,155.41x = 2,062,988,985,117.74
  5. Step 5: Solve for x
    x = 2,062,988,985,117.74/1,820,155.41
  6. Step 6: Final answer
    x = 1,133,413.65

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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.