Home / 885,745.60-1,328,618.40-808,331.20

Finding the Fourth Proportional to 885,745.60, 1,328,618.40 and 808,331.20

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Solution

The fourth proportional to 885,745.60, 1,328,618.40 and 808,331.20 is: 1,212,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,745.60 : 1,328,618.40 = 808,331.20 : x
  2. Step 2: Convert to fraction form
    885,745.60/1,328,618.40 = 808,331.20/x
  3. Step 3: Cross multiply
    885,745.60x = 1,328,618.40 × 808,331.20
  4. Step 4: Simplify right side
    885,745.60x = 1,073,963,705,614.08
  5. Step 5: Solve for x
    x = 1,073,963,705,614.08/885,745.60
  6. Step 6: Final answer
    x = 1,212,496.80

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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.