Home / 1,288,304.47-1,923,781.17-1,052,115.67

Finding the Fourth Proportional to 1,288,304.47, 1,923,781.17 and 1,052,115.67

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Solution

The fourth proportional to 1,288,304.47, 1,923,781.17 and 1,052,115.67 is: 1,571,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,304.47 : 1,923,781.17 = 1,052,115.67 : x
  2. Step 2: Convert to fraction form
    1,288,304.47/1,923,781.17 = 1,052,115.67/x
  3. Step 3: Cross multiply
    1,288,304.47x = 1,923,781.17 × 1,052,115.67
  4. Step 4: Simplify right side
    1,288,304.47x = 2,024,040,314,607.93
  5. Step 5: Solve for x
    x = 2,024,040,314,607.93/1,288,304.47
  6. Step 6: Final answer
    x = 1,571,088.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.