Home / 1,663,999.60-2,495,999.40-822,377.20

Finding the Fourth Proportional to 1,663,999.60, 2,495,999.40 and 822,377.20

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Solution

The fourth proportional to 1,663,999.60, 2,495,999.40 and 822,377.20 is: 1,233,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,999.60 : 2,495,999.40 = 822,377.20 : x
  2. Step 2: Convert to fraction form
    1,663,999.60/2,495,999.40 = 822,377.20/x
  3. Step 3: Cross multiply
    1,663,999.60x = 2,495,999.40 × 822,377.20
  4. Step 4: Simplify right side
    1,663,999.60x = 2,052,652,997,773.68
  5. Step 5: Solve for x
    x = 2,052,652,997,773.68/1,663,999.60
  6. Step 6: Final answer
    x = 1,233,565.80

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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.