Home / 920,199.80-1,377,189.30-808,225.40

Finding the Fourth Proportional to 920,199.80, 1,377,189.30 and 808,225.40

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Solution

The fourth proportional to 920,199.80, 1,377,189.30 and 808,225.40 is: 1,209,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,199.80 : 1,377,189.30 = 808,225.40 : x
  2. Step 2: Convert to fraction form
    920,199.80/1,377,189.30 = 808,225.40/x
  3. Step 3: Cross multiply
    920,199.80x = 1,377,189.30 × 808,225.40
  4. Step 4: Simplify right side
    920,199.80x = 1,113,079,372,868.22
  5. Step 5: Solve for x
    x = 1,113,079,372,868.22/920,199.80
  6. Step 6: Final answer
    x = 1,209,606.19

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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.