Home / 1,871,078.13-2,806,592.59-451,122.82

Finding the Fourth Proportional to 1,871,078.13, 2,806,592.59 and 451,122.82

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Solution

The fourth proportional to 1,871,078.13, 2,806,592.59 and 451,122.82 is: 676,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,078.13 : 2,806,592.59 = 451,122.82 : x
  2. Step 2: Convert to fraction form
    1,871,078.13/2,806,592.59 = 451,122.82/x
  3. Step 3: Cross multiply
    1,871,078.13x = 2,806,592.59 × 451,122.82
  4. Step 4: Simplify right side
    1,871,078.13x = 1,266,117,957,339.33
  5. Step 5: Solve for x
    x = 1,266,117,957,339.33/1,871,078.13
  6. Step 6: Final answer
    x = 676,678.29

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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.