Home / 1,346,190.30-2,019,285.45-1,293,046.20

Finding the Fourth Proportional to 1,346,190.30, 2,019,285.45 and 1,293,046.20

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Solution

The fourth proportional to 1,346,190.30, 2,019,285.45 and 1,293,046.20 is: 1,939,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,190.30 : 2,019,285.45 = 1,293,046.20 : x
  2. Step 2: Convert to fraction form
    1,346,190.30/2,019,285.45 = 1,293,046.20/x
  3. Step 3: Cross multiply
    1,346,190.30x = 2,019,285.45 × 1,293,046.20
  4. Step 4: Simplify right side
    1,346,190.30x = 2,611,029,377,837.79
  5. Step 5: Solve for x
    x = 2,611,029,377,837.79/1,346,190.30
  6. Step 6: Final answer
    x = 1,939,569.30

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Similar ratio
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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.