Home / 920,181.80-1,377,162.30-808,207.40

Finding the Fourth Proportional to 920,181.80, 1,377,162.30 and 808,207.40

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Solution

The fourth proportional to 920,181.80, 1,377,162.30 and 808,207.40 is: 1,209,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,181.80 : 1,377,162.30 = 808,207.40 : x
  2. Step 2: Convert to fraction form
    920,181.80/1,377,162.30 = 808,207.40/x
  3. Step 3: Cross multiply
    920,181.80x = 1,377,162.30 × 808,207.40
  4. Step 4: Simplify right side
    920,181.80x = 1,113,032,761,861.02
  5. Step 5: Solve for x
    x = 1,113,032,761,861.02/920,181.80
  6. Step 6: Final answer
    x = 1,209,579.20

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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.