Home / 1,540,752.03-2,309,235.09-865,413.72

Finding the Fourth Proportional to 1,540,752.03, 2,309,235.09 and 865,413.72

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Solution

The fourth proportional to 1,540,752.03, 2,309,235.09 and 865,413.72 is: 1,297,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,752.03 : 2,309,235.09 = 865,413.72 : x
  2. Step 2: Convert to fraction form
    1,540,752.03/2,309,235.09 = 865,413.72/x
  3. Step 3: Cross multiply
    1,540,752.03x = 2,309,235.09 × 865,413.72
  4. Step 4: Simplify right side
    1,540,752.03x = 1,998,443,718,045.26
  5. Step 5: Solve for x
    x = 1,998,443,718,045.26/1,540,752.03
  6. Step 6: Final answer
    x = 1,297,057.34

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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.