Home / 1,727,131.10-2,590,672.35-780,500.30

Finding the Fourth Proportional to 1,727,131.10, 2,590,672.35 and 780,500.30

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Solution

The fourth proportional to 1,727,131.10, 2,590,672.35 and 780,500.30 is: 1,170,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727,131.10 : 2,590,672.35 = 780,500.30 : x
  2. Step 2: Convert to fraction form
    1,727,131.10/2,590,672.35 = 780,500.30/x
  3. Step 3: Cross multiply
    1,727,131.10x = 2,590,672.35 × 780,500.30
  4. Step 4: Simplify right side
    1,727,131.10x = 2,022,020,546,376.71
  5. Step 5: Solve for x
    x = 2,022,020,546,376.71/1,727,131.10
  6. Step 6: Final answer
    x = 1,170,739.47

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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.