Home / 1,500,757.56-2,071,029.72-812,413.89

Finding the Fourth Proportional to 1,500,757.56, 2,071,029.72 and 812,413.89

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Solution

The fourth proportional to 1,500,757.56, 2,071,029.72 and 812,413.89 is: 1,121,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,757.56 : 2,071,029.72 = 812,413.89 : x
  2. Step 2: Convert to fraction form
    1,500,757.56/2,071,029.72 = 812,413.89/x
  3. Step 3: Cross multiply
    1,500,757.56x = 2,071,029.72 × 812,413.89
  4. Step 4: Simplify right side
    1,500,757.56x = 1,682,533,311,130.81
  5. Step 5: Solve for x
    x = 1,682,533,311,130.81/1,500,757.56
  6. Step 6: Final answer
    x = 1,121,122.66

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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.