Home / 920,187.80-1,377,171.30-808,213.40

Finding the Fourth Proportional to 920,187.80, 1,377,171.30 and 808,213.40

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Solution

The fourth proportional to 920,187.80, 1,377,171.30 and 808,213.40 is: 1,209,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,187.80 : 1,377,171.30 = 808,213.40 : x
  2. Step 2: Convert to fraction form
    920,187.80/1,377,171.30 = 808,213.40/x
  3. Step 3: Cross multiply
    920,187.80x = 1,377,171.30 × 808,213.40
  4. Step 4: Simplify right side
    920,187.80x = 1,113,048,298,755.42
  5. Step 5: Solve for x
    x = 1,113,048,298,755.42/920,187.80
  6. Step 6: Final answer
    x = 1,209,588.19

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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.