Home / 1,761,723.18-2,431,062.90-1,036,430.78

Finding the Fourth Proportional to 1,761,723.18, 2,431,062.90 and 1,036,430.78

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Solution

The fourth proportional to 1,761,723.18, 2,431,062.90 and 1,036,430.78 is: 1,430,206.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,723.18 : 2,431,062.90 = 1,036,430.78 : x
  2. Step 2: Convert to fraction form
    1,761,723.18/2,431,062.90 = 1,036,430.78/x
  3. Step 3: Cross multiply
    1,761,723.18x = 2,431,062.90 × 1,036,430.78
  4. Step 4: Simplify right side
    1,761,723.18x = 2,519,628,405,520.75
  5. Step 5: Solve for x
    x = 2,519,628,405,520.75/1,761,723.18
  6. Step 6: Final answer
    x = 1,430,206.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.