Home / 1,871,289-2,582,376.96-1,011,847.20

Finding the Fourth Proportional to 1,871,289, 2,582,376.96 and 1,011,847.20

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Solution

The fourth proportional to 1,871,289, 2,582,376.96 and 1,011,847.20 is: 1,396,348.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,289 : 2,582,376.96 = 1,011,847.20 : x
  2. Step 2: Convert to fraction form
    1,871,289/2,582,376.96 = 1,011,847.20/x
  3. Step 3: Cross multiply
    1,871,289x = 2,582,376.96 × 1,011,847.20
  4. Step 4: Simplify right side
    1,871,289x = 2,612,970,896,320.51
  5. Step 5: Solve for x
    x = 2,612,970,896,320.51/1,871,289
  6. Step 6: Final answer
    x = 1,396,348.13

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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.