Home / 1,871,321.25-2,582,421.57-1,011,879.46

Finding the Fourth Proportional to 1,871,321.25, 2,582,421.57 and 1,011,879.46

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Solution

The fourth proportional to 1,871,321.25, 2,582,421.57 and 1,011,879.46 is: 1,396,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,321.25 : 2,582,421.57 = 1,011,879.46 : x
  2. Step 2: Convert to fraction form
    1,871,321.25/2,582,421.57 = 1,011,879.46/x
  3. Step 3: Cross multiply
    1,871,321.25x = 2,582,421.57 × 1,011,879.46
  4. Step 4: Simplify right side
    1,871,321.25x = 2,613,099,346,971.98
  5. Step 5: Solve for x
    x = 2,613,099,346,971.98/1,871,321.25
  6. Step 6: Final answer
    x = 1,396,392.70

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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.