Home / 1,731,377.40-2,597,110.65-820,346.10

Finding the Fourth Proportional to 1,731,377.40, 2,597,110.65 and 820,346.10

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Solution

The fourth proportional to 1,731,377.40, 2,597,110.65 and 820,346.10 is: 1,230,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,377.40 : 2,597,110.65 = 820,346.10 : x
  2. Step 2: Convert to fraction form
    1,731,377.40/2,597,110.65 = 820,346.10/x
  3. Step 3: Cross multiply
    1,731,377.40x = 2,597,110.65 × 820,346.10
  4. Step 4: Simplify right side
    1,731,377.40x = 2,130,529,592,995.97
  5. Step 5: Solve for x
    x = 2,130,529,592,995.97/1,731,377.40
  6. Step 6: Final answer
    x = 1,230,540.26

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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.