Home / 1,856,853.61-2,785,290.03-845,268.12

Finding the Fourth Proportional to 1,856,853.61, 2,785,290.03 and 845,268.12

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Solution

The fourth proportional to 1,856,853.61, 2,785,290.03 and 845,268.12 is: 1,267,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,853.61 : 2,785,290.03 = 845,268.12 : x
  2. Step 2: Convert to fraction form
    1,856,853.61/2,785,290.03 = 845,268.12/x
  3. Step 3: Cross multiply
    1,856,853.61x = 2,785,290.03 × 845,268.12
  4. Step 4: Simplify right side
    1,856,853.61x = 2,354,316,872,162.90
  5. Step 5: Solve for x
    x = 2,354,316,872,162.90/1,856,853.61
  6. Step 6: Final answer
    x = 1,267,906.56

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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.