Home / 1,759,311.70-2,638,449.15-693,999.70

Finding the Fourth Proportional to 1,759,311.70, 2,638,449.15 and 693,999.70

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Solution

The fourth proportional to 1,759,311.70, 2,638,449.15 and 693,999.70 is: 1,040,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,311.70 : 2,638,449.15 = 693,999.70 : x
  2. Step 2: Convert to fraction form
    1,759,311.70/2,638,449.15 = 693,999.70/x
  3. Step 3: Cross multiply
    1,759,311.70x = 2,638,449.15 × 693,999.70
  4. Step 4: Simplify right side
    1,759,311.70x = 1,831,082,918,565.26
  5. Step 5: Solve for x
    x = 1,831,082,918,565.26/1,759,311.70
  6. Step 6: Final answer
    x = 1,040,795.06

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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.